# HG changeset patch
# User amurillo
# Date 1414778310 25200
# Node ID 521e269ae1daa9df1cb0835b97aa76bdf340fcb2
# Parent  b251d9b9079941bcf6fc326da840f08b4305ee2f# Parent  9cff03eab05d33830d4ac4b4c9557a4b01b03644
Merge

diff -r b251d9b90799 -r 521e269ae1da make/hotspot_version
--- a/make/hotspot_version	Wed Oct 29 10:50:30 2014 -0700
+++ b/make/hotspot_version	Fri Oct 31 10:58:30 2014 -0700
@@ -35,7 +35,7 @@
 
 HS_MAJOR_VER=25
 HS_MINOR_VER=40
-HS_BUILD_NUMBER=16
+HS_BUILD_NUMBER=17
 
 JDK_MAJOR_VER=1
 JDK_MINOR_VER=8
diff -r b251d9b90799 -r 521e269ae1da make/solaris/makefiles/vm.make
--- a/make/solaris/makefiles/vm.make	Wed Oct 29 10:50:30 2014 -0700
+++ b/make/solaris/makefiles/vm.make	Fri Oct 31 10:58:30 2014 -0700
@@ -141,7 +141,7 @@
 LIBS += -lsocket -lsched -ldl $(LIBM) -lthread -lc -ldemangle
 endif # sparcWorks
 
-LIBS += -lkstat -lpicl
+LIBS += -lkstat
 
 # By default, link the *.o into the library, not the executable.
 LINK_INTO$(LINK_INTO) = LIBJVM
diff -r b251d9b90799 -r 521e269ae1da src/os_cpu/solaris_sparc/vm/vm_version_solaris_sparc.cpp
--- a/src/os_cpu/solaris_sparc/vm/vm_version_solaris_sparc.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/os_cpu/solaris_sparc/vm/vm_version_solaris_sparc.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -31,18 +31,51 @@
 #include <sys/systeminfo.h>
 #include <kstat.h>
 #include <picl.h>
+#include <dlfcn.h>
+#include <link.h>
 
 extern "C" static int PICL_get_l1_data_cache_line_size_helper(picl_nodehdl_t nodeh, void *result);
 extern "C" static int PICL_get_l2_cache_line_size_helper(picl_nodehdl_t nodeh, void *result);
 
+// Functions from the library we need (signatures should match those in picl.h)
+extern "C" {
+  typedef int (*picl_initialize_func_t)(void);
+  typedef int (*picl_shutdown_func_t)(void);
+  typedef int (*picl_get_root_func_t)(picl_nodehdl_t *nodehandle);
+  typedef int (*picl_walk_tree_by_class_func_t)(picl_nodehdl_t rooth,
+      const char *classname, void *c_args,
+      int (*callback_fn)(picl_nodehdl_t hdl, void *args));
+  typedef int (*picl_get_prop_by_name_func_t)(picl_nodehdl_t nodeh, const char *nm,
+      picl_prophdl_t *ph);
+  typedef int (*picl_get_propval_func_t)(picl_prophdl_t proph, void *valbuf, size_t sz);
+  typedef int (*picl_get_propinfo_func_t)(picl_prophdl_t proph, picl_propinfo_t *pi);
+}
+
 class PICL {
+  // Pointers to functions in the library
+  picl_initialize_func_t _picl_initialize;
+  picl_shutdown_func_t _picl_shutdown;
+  picl_get_root_func_t _picl_get_root;
+  picl_walk_tree_by_class_func_t _picl_walk_tree_by_class;
+  picl_get_prop_by_name_func_t _picl_get_prop_by_name;
+  picl_get_propval_func_t _picl_get_propval;
+  picl_get_propinfo_func_t _picl_get_propinfo;
+  // Handle to the library that is returned by dlopen
+  void *_dl_handle;
+
+  bool open_library();
+  void close_library();
+
+  template<typename FuncType> bool bind(FuncType& func, const char* name);
+  bool bind_library_functions();
+
   // Get a value of the integer property. The value in the tree can be either 32 or 64 bit
   // depending on the platform. The result is converted to int.
-  static int get_int_property(picl_nodehdl_t nodeh, const char* name, int* result) {
+  int get_int_property(picl_nodehdl_t nodeh, const char* name, int* result) {
     picl_propinfo_t pinfo;
     picl_prophdl_t proph;
-    if (picl_get_prop_by_name(nodeh, name, &proph) != PICL_SUCCESS ||
-        picl_get_propinfo(proph, &pinfo) != PICL_SUCCESS) {
+    if (_picl_get_prop_by_name(nodeh, name, &proph) != PICL_SUCCESS ||
+        _picl_get_propinfo(proph, &pinfo) != PICL_SUCCESS) {
       return PICL_FAILURE;
     }
 
@@ -52,13 +85,13 @@
     }
     if (pinfo.size == sizeof(int64_t)) {
       int64_t val;
-      if (picl_get_propval(proph, &val, sizeof(int64_t)) != PICL_SUCCESS) {
+      if (_picl_get_propval(proph, &val, sizeof(int64_t)) != PICL_SUCCESS) {
         return PICL_FAILURE;
       }
       *result = static_cast<int>(val);
     } else if (pinfo.size == sizeof(int32_t)) {
       int32_t val;
-      if (picl_get_propval(proph, &val, sizeof(int32_t)) != PICL_SUCCESS) {
+      if (_picl_get_propval(proph, &val, sizeof(int32_t)) != PICL_SUCCESS) {
         return PICL_FAILURE;
       }
       *result = static_cast<int>(val);
@@ -72,6 +105,7 @@
   // Visitor and a state machine that visits integer properties and verifies that the
   // values are the same. Stores the unique value observed.
   class UniqueValueVisitor {
+    PICL *_picl;
     enum {
       INITIAL,        // Start state, no assignments happened
       ASSIGNED,       // Assigned a value
@@ -79,7 +113,7 @@
     } _state;
     int _value;
   public:
-    UniqueValueVisitor() : _state(INITIAL) { }
+    UniqueValueVisitor(PICL* picl) : _picl(picl), _state(INITIAL) { }
     int value() {
       assert(_state == ASSIGNED, "Precondition");
       return _value;
@@ -96,9 +130,10 @@
 
     static int visit(picl_nodehdl_t nodeh, const char* name, void *arg) {
       UniqueValueVisitor *state = static_cast<UniqueValueVisitor*>(arg);
+      PICL* picl = state->_picl;
       assert(!state->is_inconsistent(), "Precondition");
       int curr;
-      if (PICL::get_int_property(nodeh, name, &curr) == PICL_SUCCESS) {
+      if (picl->get_int_property(nodeh, name, &curr) == PICL_SUCCESS) {
         if (!state->is_assigned()) { // first iteration
           state->set_value(curr);
         } else if (curr != state->value()) { // following iterations
@@ -122,32 +157,36 @@
     return UniqueValueVisitor::visit(nodeh, "l2-cache-line-size", state);
   }
 
-  PICL() : _L1_data_cache_line_size(0), _L2_cache_line_size(0) {
-    if (picl_initialize() == PICL_SUCCESS) {
+  PICL() : _L1_data_cache_line_size(0), _L2_cache_line_size(0), _dl_handle(NULL) {
+    if (!open_library()) {
+      return;
+    }
+    if (_picl_initialize() == PICL_SUCCESS) {
       picl_nodehdl_t rooth;
-      if (picl_get_root(&rooth) == PICL_SUCCESS) {
-        UniqueValueVisitor L1_state;
+      if (_picl_get_root(&rooth) == PICL_SUCCESS) {
+        UniqueValueVisitor L1_state(this);
         // Visit all "cpu" class instances
-        picl_walk_tree_by_class(rooth, "cpu", &L1_state, PICL_get_l1_data_cache_line_size_helper);
+        _picl_walk_tree_by_class(rooth, "cpu", &L1_state, PICL_get_l1_data_cache_line_size_helper);
         if (L1_state.is_initial()) { // Still initial, iteration found no values
           // Try walk all "core" class instances, it might be a Fujitsu machine
-          picl_walk_tree_by_class(rooth, "core", &L1_state, PICL_get_l1_data_cache_line_size_helper);
+          _picl_walk_tree_by_class(rooth, "core", &L1_state, PICL_get_l1_data_cache_line_size_helper);
         }
         if (L1_state.is_assigned()) { // Is there a value?
           _L1_data_cache_line_size = L1_state.value();
         }
 
-        UniqueValueVisitor L2_state;
-        picl_walk_tree_by_class(rooth, "cpu", &L2_state, PICL_get_l2_cache_line_size_helper);
+        UniqueValueVisitor L2_state(this);
+        _picl_walk_tree_by_class(rooth, "cpu", &L2_state, PICL_get_l2_cache_line_size_helper);
         if (L2_state.is_initial()) {
-          picl_walk_tree_by_class(rooth, "core", &L2_state, PICL_get_l2_cache_line_size_helper);
+          _picl_walk_tree_by_class(rooth, "core", &L2_state, PICL_get_l2_cache_line_size_helper);
         }
         if (L2_state.is_assigned()) {
           _L2_cache_line_size = L2_state.value();
         }
       }
-      picl_shutdown();
+      _picl_shutdown();
     }
+    close_library();
   }
 
   unsigned int L1_data_cache_line_size() const { return _L1_data_cache_line_size; }
@@ -161,6 +200,43 @@
   return PICL::get_l2_cache_line_size(nodeh, result);
 }
 
+template<typename FuncType>
+bool PICL::bind(FuncType& func, const char* name) {
+  func = reinterpret_cast<FuncType>(dlsym(_dl_handle, name));
+  return func != NULL;
+}
+
+bool PICL::bind_library_functions() {
+  assert(_dl_handle != NULL, "library should be open");
+  return bind(_picl_initialize,         "picl_initialize"        ) &&
+         bind(_picl_shutdown,           "picl_shutdown"          ) &&
+         bind(_picl_get_root,           "picl_get_root"          ) &&
+         bind(_picl_walk_tree_by_class, "picl_walk_tree_by_class") &&
+         bind(_picl_get_prop_by_name,   "picl_get_prop_by_name"  ) &&
+         bind(_picl_get_propval,        "picl_get_propval"       ) &&
+         bind(_picl_get_propinfo,       "picl_get_propinfo"      );
+}
+
+bool PICL::open_library() {
+  _dl_handle = dlopen("libpicl.so.1", RTLD_LAZY);
+  if (_dl_handle == NULL) {
+    warning("PICL (libpicl.so.1) is missing. Performance will not be optimal.");
+    return false;
+  }
+  if (!bind_library_functions()) {
+    assert(false, "unexpected PICL API change");
+    close_library();
+    return false;
+  }
+  return true;
+}
+
+void PICL::close_library() {
+  assert(_dl_handle != NULL, "library should be open");
+  dlclose(_dl_handle);
+  _dl_handle = NULL;
+}
+
 // We need to keep these here as long as we have to build on Solaris
 // versions before 10.
 #ifndef SI_ARCHITECTURE_32
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/c1/c1_globals.hpp
--- a/src/share/vm/c1/c1_globals.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/c1/c1_globals.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -287,9 +287,6 @@
   develop(bool, InstallMethods, true,                                       \
           "Install methods at the end of successful compilations")          \
                                                                             \
-  product(intx, CompilationRepeat, 0,                                       \
-          "Number of times to recompile method before returning result")    \
-                                                                            \
   develop(intx, NMethodSizeLimit, (64*K)*wordSize,                          \
           "Maximum size of a compiled method.")                             \
                                                                             \
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/ci/ciEnv.cpp
--- a/src/share/vm/ci/ciEnv.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/ci/ciEnv.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -559,7 +559,12 @@
     oop obj = cpool->resolved_references()->obj_at(cache_index);
     if (obj != NULL) {
       ciObject* ciobj = get_object(obj);
-      return ciConstant(T_OBJECT, ciobj);
+      if (ciobj->is_array()) {
+        return ciConstant(T_ARRAY, ciobj);
+      } else {
+        assert(ciobj->is_instance(), "should be an instance");
+        return ciConstant(T_OBJECT, ciobj);
+      }
     }
     index = cpool->object_to_cp_index(cache_index);
   }
@@ -586,8 +591,12 @@
       }
     }
     ciObject* constant = get_object(string);
-    assert (constant->is_instance(), "must be an instance, or not? ");
-    return ciConstant(T_OBJECT, constant);
+    if (constant->is_array()) {
+      return ciConstant(T_ARRAY, constant);
+    } else {
+      assert (constant->is_instance(), "must be an instance, or not? ");
+      return ciConstant(T_OBJECT, constant);
+    }
   } else if (tag.is_klass() || tag.is_unresolved_klass()) {
     // 4881222: allow ldc to take a class type
     ciKlass* klass = get_klass_by_index_impl(cpool, index, ignore_will_link, accessor);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/ci/ciTypeFlow.cpp
--- a/src/share/vm/ci/ciTypeFlow.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/ci/ciTypeFlow.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -730,7 +730,7 @@
     if (obj->is_null_object()) {
       push_null();
     } else {
-      assert(obj->is_instance(), "must be java_mirror of klass");
+      assert(obj->is_instance() || obj->is_array(), "must be java_mirror of klass");
       push_object(obj->klass());
     }
   } else {
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/classfile/classFileParser.cpp
--- a/src/share/vm/classfile/classFileParser.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/classfile/classFileParser.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -2529,7 +2529,7 @@
 Array<Method*>* ClassFileParser::parse_methods(bool is_interface,
                                                AccessFlags* promoted_flags,
                                                bool* has_final_method,
-                                               bool* has_default_methods,
+                                               bool* declares_default_methods,
                                                TRAPS) {
   ClassFileStream* cfs = stream();
   cfs->guarantee_more(2, CHECK_NULL);  // length
@@ -2548,11 +2548,11 @@
       if (method->is_final()) {
         *has_final_method = true;
       }
-      if (is_interface && !(*has_default_methods)
-        && !method->is_abstract() && !method->is_static()
-        && !method->is_private()) {
-        // default method
-        *has_default_methods = true;
+      // declares_default_methods: declares concrete instance methods, any access flags
+      // used for interface initialization, and default method inheritance analysis
+      if (is_interface && !(*declares_default_methods)
+        && !method->is_abstract() && !method->is_static()) {
+        *declares_default_methods = true;
       }
       _methods->at_put(index, method());
     }
@@ -3691,6 +3691,7 @@
   JvmtiCachedClassFileData *cached_class_file = NULL;
   Handle class_loader(THREAD, loader_data->class_loader());
   bool has_default_methods = false;
+  bool declares_default_methods = false;
   ResourceMark rm(THREAD);
 
   ClassFileStream* cfs = stream();
@@ -3928,8 +3929,11 @@
     Array<Method*>* methods = parse_methods(access_flags.is_interface(),
                                             &promoted_flags,
                                             &has_final_method,
-                                            &has_default_methods,
+                                            &declares_default_methods,
                                             CHECK_(nullHandle));
+    if (declares_default_methods) {
+      has_default_methods = true;
+    }
 
     // Additional attributes
     ClassAnnotationCollector parsed_annotations;
@@ -4072,6 +4076,7 @@
     this_klass->set_minor_version(minor_version);
     this_klass->set_major_version(major_version);
     this_klass->set_has_default_methods(has_default_methods);
+    this_klass->set_declares_default_methods(declares_default_methods);
 
     if (!host_klass.is_null()) {
       assert (this_klass->is_anonymous(), "should be the same");
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/classfile/classFileParser.hpp
--- a/src/share/vm/classfile/classFileParser.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/classfile/classFileParser.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -247,7 +247,7 @@
   Array<Method*>* parse_methods(bool is_interface,
                                 AccessFlags* promoted_flags,
                                 bool* has_final_method,
-                                bool* has_default_method,
+                                bool* declares_default_methods,
                                 TRAPS);
   intArray* sort_methods(Array<Method*>* methods);
 
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/compiler/compileBroker.cpp
--- a/src/share/vm/compiler/compileBroker.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/compiler/compileBroker.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -183,9 +183,8 @@
 
 long CompileBroker::_peak_compilation_time       = 0;
 
-CompileQueue* CompileBroker::_c2_method_queue    = NULL;
-CompileQueue* CompileBroker::_c1_method_queue    = NULL;
-CompileTask*  CompileBroker::_task_free_list     = NULL;
+CompileQueue* CompileBroker::_c2_compile_queue   = NULL;
+CompileQueue* CompileBroker::_c1_compile_queue   = NULL;
 
 GrowableArray<CompilerThread*>* CompileBroker::_compiler_threads = NULL;
 
@@ -253,13 +252,56 @@
 
     // By convention, the compiling thread is responsible for
     // recycling a non-blocking CompileTask.
-    CompileBroker::free_task(task);
+    CompileTask::free(task);
   }
 }
 
 
-// ------------------------------------------------------------------
-// CompileTask::initialize
+CompileTask*  CompileTask::_task_free_list = NULL;
+#ifdef ASSERT
+int CompileTask::_num_allocated_tasks = 0;
+#endif
+/**
+ * Allocate a CompileTask, from the free list if possible.
+ */
+CompileTask* CompileTask::allocate() {
+  MutexLocker locker(CompileTaskAlloc_lock);
+  CompileTask* task = NULL;
+
+  if (_task_free_list != NULL) {
+    task = _task_free_list;
+    _task_free_list = task->next();
+    task->set_next(NULL);
+  } else {
+    task = new CompileTask();
+    DEBUG_ONLY(_num_allocated_tasks++;)
+    assert (_num_allocated_tasks < 10000, "Leaking compilation tasks?");
+    task->set_next(NULL);
+    task->set_is_free(true);
+  }
+  assert(task->is_free(), "Task must be free.");
+  task->set_is_free(false);
+  return task;
+}
+
+
+/**
+ * Add a task to the free list.
+ */
+void CompileTask::free(CompileTask* task) {
+  MutexLocker locker(CompileTaskAlloc_lock);
+  if (!task->is_free()) {
+    task->set_code(NULL);
+    assert(!task->lock()->is_locked(), "Should not be locked when freed");
+    JNIHandles::destroy_global(task->_method_holder);
+    JNIHandles::destroy_global(task->_hot_method_holder);
+
+    task->set_is_free(true);
+    task->set_next(_task_free_list);
+    _task_free_list = task;
+  }
+}
+
 void CompileTask::initialize(int compile_id,
                              methodHandle method,
                              int osr_bci,
@@ -318,15 +360,6 @@
   if (nm == NULL)  _code_handle = NULL;  // drop the handle also
 }
 
-// ------------------------------------------------------------------
-// CompileTask::free
-void CompileTask::free() {
-  set_code(NULL);
-  assert(!_lock->is_locked(), "Should not be locked when freed");
-  JNIHandles::destroy_global(_method_holder);
-  JNIHandles::destroy_global(_hot_method_holder);
-}
-
 
 void CompileTask::mark_on_stack() {
   // Mark these methods as something redefine classes cannot remove.
@@ -594,9 +627,12 @@
 
 
 
-// Add a CompileTask to a CompileQueue
+/**
+ * Add a CompileTask to a CompileQueue
+ */
 void CompileQueue::add(CompileTask* task) {
   assert(lock()->owned_by_self(), "must own lock");
+  assert(!CompileBroker::is_compilation_disabled_forever(), "Do not add task if compilation is turned off forever");
 
   task->set_next(NULL);
   task->set_prev(NULL);
@@ -618,9 +654,7 @@
   // Mark the method as being in the compile queue.
   task->method()->set_queued_for_compilation();
 
-  if (CIPrintCompileQueue) {
-    print();
-  }
+  NOT_PRODUCT(print();)
 
   if (LogCompilation && xtty != NULL) {
     task->log_task_queued();
@@ -630,14 +664,32 @@
   lock()->notify_all();
 }
 
-void CompileQueue::delete_all() {
-  assert(lock()->owned_by_self(), "must own lock");
-  if (_first != NULL) {
-    for (CompileTask* task = _first; task != NULL; task = task->next()) {
-      delete task;
+/**
+ * Empties compilation queue by putting all compilation tasks onto
+ * a freelist. Furthermore, the method wakes up all threads that are
+ * waiting on a compilation task to finish. This can happen if background
+ * compilation is disabled.
+ */
+void CompileQueue::free_all() {
+  MutexLocker mu(lock());
+  CompileTask* next = _first;
+
+  // Iterate over all tasks in the compile queue
+  while (next != NULL) {
+    CompileTask* current = next;
+    next = current->next();
+    {
+      // Wake up thread that blocks on the compile task.
+      MutexLocker ct_lock(current->lock());
+      current->lock()->notify();
     }
-    _first = NULL;
+    // Put the task back on the freelist.
+    CompileTask::free(current);
   }
+  _first = NULL;
+
+  // Wake up all threads that block on the queue.
+  lock()->notify_all();
 }
 
 // ------------------------------------------------------------------
@@ -767,18 +819,24 @@
   }
 }
 
-// ------------------------------------------------------------------
-// CompileQueue::print
+#ifndef PRODUCT
+/**
+ * Print entire compilation queue.
+ */
 void CompileQueue::print() {
-  tty->print_cr("Contents of %s", name());
-  tty->print_cr("----------------------");
-  CompileTask* task = _first;
-  while (task != NULL) {
-    task->print_line();
-    task = task->next();
+  if (CIPrintCompileQueue) {
+    ttyLocker ttyl;
+    tty->print_cr("Contents of %s", name());
+    tty->print_cr("----------------------");
+    CompileTask* task = _first;
+    while (task != NULL) {
+      task->print_line();
+      task = task->next();
+    }
+    tty->print_cr("----------------------");
   }
-  tty->print_cr("----------------------");
 }
+#endif // PRODUCT
 
 CompilerCounters::CompilerCounters(const char* thread_name, int instance, TRAPS) {
 
@@ -851,9 +909,6 @@
   _compilers[1] = new SharkCompiler();
 #endif // SHARK
 
-  // Initialize the CompileTask free list
-  _task_free_list = NULL;
-
   // Start the CompilerThreads
   init_compiler_threads(c1_count, c2_count);
   // totalTime performance counter is always created as it is required
@@ -1046,11 +1101,11 @@
 #endif // !ZERO && !SHARK
   // Initialize the compilation queue
   if (c2_compiler_count > 0) {
-    _c2_method_queue  = new CompileQueue("C2MethodQueue",  MethodCompileQueue_lock);
+    _c2_compile_queue  = new CompileQueue("C2 CompileQueue",  MethodCompileQueue_lock);
     _compilers[1]->set_num_compiler_threads(c2_compiler_count);
   }
   if (c1_compiler_count > 0) {
-    _c1_method_queue  = new CompileQueue("C1MethodQueue",  MethodCompileQueue_lock);
+    _c1_compile_queue  = new CompileQueue("C1 CompileQueue",  MethodCompileQueue_lock);
     _compilers[0]->set_num_compiler_threads(c1_compiler_count);
   }
 
@@ -1065,7 +1120,7 @@
     sprintf(name_buffer, "C2 CompilerThread%d", i);
     CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK);
     // Shark and C2
-    CompilerThread* new_thread = make_compiler_thread(name_buffer, _c2_method_queue, counters, _compilers[1], CHECK);
+    CompilerThread* new_thread = make_compiler_thread(name_buffer, _c2_compile_queue, counters, _compilers[1], CHECK);
     _compiler_threads->append(new_thread);
   }
 
@@ -1074,7 +1129,7 @@
     sprintf(name_buffer, "C1 CompilerThread%d", i);
     CompilerCounters* counters = new CompilerCounters("compilerThread", i, CHECK);
     // C1
-    CompilerThread* new_thread = make_compiler_thread(name_buffer, _c1_method_queue, counters, _compilers[0], CHECK);
+    CompilerThread* new_thread = make_compiler_thread(name_buffer, _c1_compile_queue, counters, _compilers[0], CHECK);
     _compiler_threads->append(new_thread);
   }
 
@@ -1084,14 +1139,19 @@
 }
 
 
-// Set the methods on the stack as on_stack so that redefine classes doesn't
-// reclaim them
+/**
+ * Set the methods on the stack as on_stack so that redefine classes doesn't
+ * reclaim them. This method is executed at a safepoint.
+ */
 void CompileBroker::mark_on_stack() {
-  if (_c2_method_queue != NULL) {
-    _c2_method_queue->mark_on_stack();
+  assert(SafepointSynchronize::is_at_safepoint(), "sanity check");
+  // Since we are at a safepoint, we do not need a lock to access
+  // the compile queues.
+  if (_c2_compile_queue != NULL) {
+    _c2_compile_queue->mark_on_stack();
   }
-  if (_c1_method_queue != NULL) {
-    _c1_method_queue->mark_on_stack();
+  if (_c1_compile_queue != NULL) {
+    _c1_compile_queue->mark_on_stack();
   }
 }
 
@@ -1107,7 +1167,7 @@
                                         const char* comment,
                                         Thread* thread) {
   // do nothing if compiler thread(s) is not available
-  if (!_initialized ) {
+  if (!_initialized) {
     return;
   }
 
@@ -1154,7 +1214,7 @@
 
   // If this method is already in the compile queue, then
   // we do not block the current thread.
-  if (compilation_is_in_queue(method, osr_bci)) {
+  if (compilation_is_in_queue(method)) {
     // We may want to decay our counter a bit here to prevent
     // multiple denied requests for compilation.  This is an
     // open compilation policy issue. Note: The other possibility,
@@ -1193,7 +1253,7 @@
     // Make sure the method has not slipped into the queues since
     // last we checked; note that those checks were "fast bail-outs".
     // Here we need to be more careful, see 14012000 below.
-    if (compilation_is_in_queue(method, osr_bci)) {
+    if (compilation_is_in_queue(method)) {
       return;
     }
 
@@ -1214,7 +1274,7 @@
     }
 
     // Should this thread wait for completion of the compile?
-    blocking = is_compile_blocking(method, osr_bci);
+    blocking = is_compile_blocking();
 
     // We will enter the compilation in the queue.
     // 14012000: Note that this sets the queued_for_compile bits in
@@ -1406,19 +1466,17 @@
 }
 
 
-// ------------------------------------------------------------------
-// CompileBroker::compilation_is_in_queue
-//
-// See if this compilation is already requested.
-//
-// Implementation note: there is only a single "is in queue" bit
-// for each method.  This means that the check below is overly
-// conservative in the sense that an osr compilation in the queue
-// will block a normal compilation from entering the queue (and vice
-// versa).  This can be remedied by a full queue search to disambiguate
-// cases.  If it is deemed profitible, this may be done.
-bool CompileBroker::compilation_is_in_queue(methodHandle method,
-                                            int          osr_bci) {
+/**
+ * See if this compilation is already requested.
+ *
+ * Implementation note: there is only a single "is in queue" bit
+ * for each method.  This means that the check below is overly
+ * conservative in the sense that an osr compilation in the queue
+ * will block a normal compilation from entering the queue (and vice
+ * versa).  This can be remedied by a full queue search to disambiguate
+ * cases.  If it is deemed profitable, this may be done.
+ */
+bool CompileBroker::compilation_is_in_queue(methodHandle method) {
   return method->queued_for_compilation();
 }
 
@@ -1498,13 +1556,11 @@
 #endif
 }
 
-
-// ------------------------------------------------------------------
-// CompileBroker::is_compile_blocking
-//
-// Should the current thread be blocked until this compilation request
-// has been fulfilled?
-bool CompileBroker::is_compile_blocking(methodHandle method, int osr_bci) {
+/**
+ * Should the current thread block until this compilation request
+ * has been fulfilled?
+ */
+bool CompileBroker::is_compile_blocking() {
   assert(!InstanceRefKlass::owns_pending_list_lock(JavaThread::current()), "possible deadlock");
   return !BackgroundCompilation;
 }
@@ -1532,7 +1588,7 @@
                                               int           hot_count,
                                               const char*   comment,
                                               bool          blocking) {
-  CompileTask* new_task = allocate_task();
+  CompileTask* new_task = CompileTask::allocate();
   new_task->initialize(compile_id, method, osr_bci, comp_level,
                        hot_method, hot_count, comment,
                        blocking);
@@ -1541,75 +1597,52 @@
 }
 
 
-// ------------------------------------------------------------------
-// CompileBroker::allocate_task
-//
-// Allocate a CompileTask, from the free list if possible.
-CompileTask* CompileBroker::allocate_task() {
-  MutexLocker locker(CompileTaskAlloc_lock);
-  CompileTask* task = NULL;
-  if (_task_free_list != NULL) {
-    task = _task_free_list;
-    _task_free_list = task->next();
-    task->set_next(NULL);
-  } else {
-    task = new CompileTask();
-    task->set_next(NULL);
-  }
-  return task;
-}
-
-
-// ------------------------------------------------------------------
-// CompileBroker::free_task
-//
-// Add a task to the free list.
-void CompileBroker::free_task(CompileTask* task) {
-  MutexLocker locker(CompileTaskAlloc_lock);
-  task->free();
-  task->set_next(_task_free_list);
-  _task_free_list = task;
-}
-
-
-// ------------------------------------------------------------------
-// CompileBroker::wait_for_completion
-//
-// Wait for the given method CompileTask to complete.
+/**
+ *  Wait for the compilation task to complete.
+ */
 void CompileBroker::wait_for_completion(CompileTask* task) {
   if (CIPrintCompileQueue) {
+    ttyLocker ttyl;
     tty->print_cr("BLOCKING FOR COMPILE");
   }
 
   assert(task->is_blocking(), "can only wait on blocking task");
 
-  JavaThread *thread = JavaThread::current();
+  JavaThread* thread = JavaThread::current();
   thread->set_blocked_on_compilation(true);
 
   methodHandle method(thread, task->method());
   {
     MutexLocker waiter(task->lock(), thread);
 
-    while (!task->is_complete())
+    while (!task->is_complete() && !is_compilation_disabled_forever()) {
       task->lock()->wait();
+    }
   }
+
+  thread->set_blocked_on_compilation(false);
+  if (is_compilation_disabled_forever()) {
+    CompileTask::free(task);
+    return;
+  }
+
   // It is harmless to check this status without the lock, because
   // completion is a stable property (until the task object is recycled).
   assert(task->is_complete(), "Compilation should have completed");
   assert(task->code_handle() == NULL, "must be reset");
 
-  thread->set_blocked_on_compilation(false);
-
   // By convention, the waiter is responsible for recycling a
   // blocking CompileTask. Since there is only one waiter ever
   // waiting on a CompileTask, we know that no one else will
   // be using this CompileTask; we can free it.
-  free_task(task);
+  CompileTask::free(task);
 }
 
-// Initialize compiler thread(s) + compiler object(s). The postcondition
-// of this function is that the compiler runtimes are initialized and that
-//compiler threads can start compiling.
+/**
+ * Initialize compiler thread(s) + compiler object(s). The postcondition
+ * of this function is that the compiler runtimes are initialized and that
+ * compiler threads can start compiling.
+ */
 bool CompileBroker::init_compiler_runtime() {
   CompilerThread* thread = CompilerThread::current();
   AbstractCompiler* comp = thread->compiler();
@@ -1646,7 +1679,6 @@
     disable_compilation_forever();
     // If compiler initialization failed, no compiler thread that is specific to a
     // particular compiler runtime will ever start to compile methods.
-
     shutdown_compiler_runtime(comp, thread);
     return false;
   }
@@ -1660,9 +1692,11 @@
   return true;
 }
 
-// If C1 and/or C2 initialization failed, we shut down all compilation.
-// We do this to keep things simple. This can be changed if it ever turns out to be
-// a problem.
+/**
+ * If C1 and/or C2 initialization failed, we shut down all compilation.
+ * We do this to keep things simple. This can be changed if it ever turns
+ * out to be a problem.
+ */
 void CompileBroker::shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread) {
   // Free buffer blob, if allocated
   if (thread->get_buffer_blob() != NULL) {
@@ -1674,28 +1708,25 @@
     // There are two reasons for shutting down the compiler
     // 1) compiler runtime initialization failed
     // 2) The code cache is full and the following flag is set: -XX:-UseCodeCacheFlushing
-    warning("Shutting down compiler %s (no space to run compilers)", comp->name());
+    warning("%s initialization failed. Shutting down all compilers", comp->name());
 
     // Only one thread per compiler runtime object enters here
     // Set state to shut down
     comp->set_shut_down();
 
-    MutexLocker mu(MethodCompileQueue_lock, thread);
-    CompileQueue* queue;
-    if (_c1_method_queue != NULL) {
-      _c1_method_queue->delete_all();
-      queue = _c1_method_queue;
-      _c1_method_queue = NULL;
-      delete _c1_method_queue;
+    // Delete all queued compilation tasks to make compiler threads exit faster.
+    if (_c1_compile_queue != NULL) {
+      _c1_compile_queue->free_all();
     }
 
-    if (_c2_method_queue != NULL) {
-      _c2_method_queue->delete_all();
-      queue = _c2_method_queue;
-      _c2_method_queue = NULL;
-      delete _c2_method_queue;
+    if (_c2_compile_queue != NULL) {
+      _c2_compile_queue->free_all();
     }
 
+    // Set flags so that we continue execution with using interpreter only.
+    UseCompiler    = false;
+    UseInterpreter = true;
+
     // We could delete compiler runtimes also. However, there are references to
     // the compiler runtime(s) (e.g.,  nmethod::is_compiled_by_c1()) which then
     // fail. This can be done later if necessary.
@@ -1781,22 +1812,6 @@
     if (method()->number_of_breakpoints() == 0) {
       // Compile the method.
       if ((UseCompiler || AlwaysCompileLoopMethods) && CompileBroker::should_compile_new_jobs()) {
-#ifdef COMPILER1
-        // Allow repeating compilations for the purpose of benchmarking
-        // compile speed. This is not useful for customers.
-        if (CompilationRepeat != 0) {
-          int compile_count = CompilationRepeat;
-          while (compile_count > 0) {
-            invoke_compiler_on_method(task);
-            nmethod* nm = method->code();
-            if (nm != NULL) {
-              nm->make_zombie();
-              method->clear_code();
-            }
-            compile_count--;
-          }
-        }
-#endif /* COMPILER1 */
         invoke_compiler_on_method(task);
       } else {
         // After compilation is disabled, remove remaining methods from queue
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/compiler/compileBroker.hpp
--- a/src/share/vm/compiler/compileBroker.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/compiler/compileBroker.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -40,6 +40,11 @@
   friend class VMStructs;
 
  private:
+  static CompileTask* _task_free_list;
+#ifdef ASSERT
+  static int          _num_allocated_tasks;
+#endif
+
   Monitor*     _lock;
   uint         _compile_id;
   Method*      _method;
@@ -52,7 +57,7 @@
   int          _num_inlined_bytecodes;
   nmethodLocker* _code_handle;  // holder of eventual result
   CompileTask* _next, *_prev;
-
+  bool         _is_free;
   // Fields used for logging why the compilation was initiated:
   jlong        _time_queued;  // in units of os::elapsed_counter()
   Method*      _hot_method;   // which method actually triggered this task
@@ -70,7 +75,8 @@
                   methodHandle hot_method, int hot_count, const char* comment,
                   bool is_blocking);
 
-  void free();
+  static CompileTask* allocate();
+  static void         free(CompileTask* task);
 
   int          compile_id() const                { return _compile_id; }
   Method*      method() const                    { return _method; }
@@ -99,6 +105,8 @@
   void         set_next(CompileTask* next)       { _next = next; }
   CompileTask* prev() const                      { return _prev; }
   void         set_prev(CompileTask* prev)       { _prev = prev; }
+  bool         is_free() const                   { return _is_free; }
+  void         set_is_free(bool val)             { _is_free = val; }
 
 private:
   static void  print_compilation_impl(outputStream* st, Method* method, int compile_id, int comp_level,
@@ -225,8 +233,8 @@
 
   // Redefine Classes support
   void mark_on_stack();
-  void delete_all();
-  void         print();
+  void free_all();
+  NOT_PRODUCT (void print();)
 
   ~CompileQueue() {
     assert (is_empty(), " Compile Queue must be empty");
@@ -279,9 +287,8 @@
   static int  _last_compile_level;
   static char _last_method_compiled[name_buffer_length];
 
-  static CompileQueue* _c2_method_queue;
-  static CompileQueue* _c1_method_queue;
-  static CompileTask* _task_free_list;
+  static CompileQueue* _c2_compile_queue;
+  static CompileQueue* _c1_compile_queue;
 
   static GrowableArray<CompilerThread*>* _compiler_threads;
 
@@ -334,7 +341,7 @@
   static void init_compiler_threads(int c1_compiler_count, int c2_compiler_count);
   static bool compilation_is_complete  (methodHandle method, int osr_bci, int comp_level);
   static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level);
-  static bool is_compile_blocking      (methodHandle method, int osr_bci);
+  static bool is_compile_blocking      ();
   static void preload_classes          (methodHandle method, TRAPS);
 
   static CompileTask* create_compile_task(CompileQueue* queue,
@@ -346,8 +353,6 @@
                                           int           hot_count,
                                           const char*   comment,
                                           bool          blocking);
-  static CompileTask* allocate_task();
-  static void free_task(CompileTask* task);
   static void wait_for_completion(CompileTask* task);
 
   static void invoke_compiler_on_method(CompileTask* task);
@@ -365,8 +370,8 @@
                                   const char* comment,
                                   Thread* thread);
   static CompileQueue* compile_queue(int comp_level) {
-    if (is_c2_compile(comp_level)) return _c2_method_queue;
-    if (is_c1_compile(comp_level)) return _c1_method_queue;
+    if (is_c2_compile(comp_level)) return _c2_compile_queue;
+    if (is_c1_compile(comp_level)) return _c1_compile_queue;
     return NULL;
   }
   static bool init_compiler_runtime();
@@ -384,7 +389,7 @@
     return NULL;
   }
 
-  static bool compilation_is_in_queue(methodHandle method, int osr_bci);
+  static bool compilation_is_in_queue(methodHandle method);
   static int queue_size(int comp_level) {
     CompileQueue *q = compile_queue(comp_level);
     return q != NULL ? q->size() : 0;
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -2478,6 +2478,7 @@
 
   unsigned int gc_count_before;
   unsigned int old_marking_count_before;
+  unsigned int full_gc_count_before;
   bool retry_gc;
 
   do {
@@ -2488,6 +2489,7 @@
 
       // Read the GC count while holding the Heap_lock
       gc_count_before = total_collections();
+      full_gc_count_before = total_full_collections();
       old_marking_count_before = _old_marking_cycles_started;
     }
 
@@ -2532,7 +2534,7 @@
         VMThread::execute(&op);
       } else {
         // Schedule a Full GC.
-        VM_G1CollectFull op(gc_count_before, old_marking_count_before, cause);
+        VM_G1CollectFull op(gc_count_before, full_gc_count_before, cause);
         VMThread::execute(&op);
       }
     }
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -1249,7 +1249,7 @@
   // The same as above but assume that the caller holds the Heap_lock.
   void collect_locked(GCCause::Cause cause);
 
-  virtual void copy_allocation_context_stats(const jint* contexts,
+  virtual bool copy_allocation_context_stats(const jint* contexts,
                                              jlong* totals,
                                              jbyte* accuracy,
                                              jint len);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap_ext.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -25,8 +25,9 @@
 #include "precompiled.hpp"
 #include "gc_implementation/g1/g1CollectedHeap.hpp"
 
-void G1CollectedHeap::copy_allocation_context_stats(const jint* contexts,
+bool G1CollectedHeap::copy_allocation_context_stats(const jint* contexts,
                                                     jlong* totals,
                                                     jbyte* accuracy,
                                                     jint len) {
+  return false;
 }
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/gc_implementation/g1/vm_operations_g1.hpp
--- a/src/share/vm/gc_implementation/g1/vm_operations_g1.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/gc_implementation/g1/vm_operations_g1.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -60,7 +60,7 @@
   VM_G1CollectFull(unsigned int gc_count_before,
                    unsigned int full_gc_count_before,
                    GCCause::Cause cause)
-    : VM_GC_Operation(gc_count_before, cause, full_gc_count_before) { }
+    : VM_GC_Operation(gc_count_before, cause, full_gc_count_before, true) { }
   virtual VMOp_Type type() const { return VMOp_G1CollectFull; }
   virtual void doit();
   virtual const char* name() const {
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/gc_interface/collectedHeap.hpp
--- a/src/share/vm/gc_interface/collectedHeap.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/gc_interface/collectedHeap.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -641,10 +641,13 @@
   // For each context in contexts, set the corresponding entries in the totals
   // and accuracy arrays to the current values held by the statistics.  Each
   // array should be of length len.
-  virtual void copy_allocation_context_stats(const jint* contexts,
+  // Returns true if there are more stats available.
+  virtual bool copy_allocation_context_stats(const jint* contexts,
                                              jlong* totals,
                                              jbyte* accuracy,
-                                             jint len) { }
+                                             jint len) {
+    return false;
+  }
 
   /////////////// Unit tests ///////////////
 
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/memory/collectorPolicy.cpp
--- a/src/share/vm/memory/collectorPolicy.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/memory/collectorPolicy.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -183,13 +183,9 @@
   // Requirements of any new remembered set implementations must be added here.
   size_t alignment = GenRemSet::max_alignment_constraint(GenRemSet::CardTable);
 
-  // Parallel GC does its own alignment of the generations to avoid requiring a
-  // large page (256M on some platforms) for the permanent generation.  The
-  // other collectors should also be updated to do their own alignment and then
-  // this use of lcm() should be removed.
-  if (UseLargePages && !UseParallelGC) {
-      // in presence of large pages we have to make sure that our
-      // alignment is large page aware
+  if (UseLargePages) {
+      // In presence of large pages we have to make sure that our
+      // alignment is large page aware.
       alignment = lcm(os::large_page_size(), alignment);
   }
 
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/memory/metaspace.cpp
--- a/src/share/vm/memory/metaspace.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/memory/metaspace.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -3141,7 +3141,7 @@
   MetaspaceGC::initialize();
 
   // Initialize the alignment for shared spaces.
-  int max_alignment = os::vm_page_size();
+  int max_alignment = os::vm_allocation_granularity();
   size_t cds_total = 0;
 
   MetaspaceShared::set_max_alignment(max_alignment);
@@ -3155,6 +3155,16 @@
     SharedMiscDataSize  = align_size_up(SharedMiscDataSize,  max_alignment);
     SharedMiscCodeSize  = align_size_up(SharedMiscCodeSize,  max_alignment);
 
+    // the min_misc_code_size estimate is based on MetaspaceShared::generate_vtable_methods()
+    uintx min_misc_code_size = align_size_up(
+      (MetaspaceShared::num_virtuals * MetaspaceShared::vtbl_list_size) *
+        (sizeof(void*) + MetaspaceShared::vtbl_method_size) + MetaspaceShared::vtbl_common_code_size,
+          max_alignment);
+
+    if (SharedMiscCodeSize < min_misc_code_size) {
+      report_out_of_shared_space(SharedMiscCode);
+    }
+
     // Initialize with the sum of the shared space sizes.  The read-only
     // and read write metaspace chunks will be allocated out of this and the
     // remainder is the misc code and data chunks.
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/memory/metaspaceShared.hpp
--- a/src/share/vm/memory/metaspaceShared.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/memory/metaspaceShared.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -57,11 +57,16 @@
   static bool _archive_loading_failed;
  public:
   enum {
-    vtbl_list_size = 17, // number of entries in the shared space vtable list.
-    num_virtuals = 200   // maximum number of virtual functions
-                         // If virtual functions are added to Metadata,
-                         // this number needs to be increased.  Also,
-                         // SharedMiscCodeSize will need to be increased.
+    vtbl_list_size         = 17,   // number of entries in the shared space vtable list.
+    num_virtuals           = 200,  // maximum number of virtual functions
+                                   // If virtual functions are added to Metadata,
+                                   // this number needs to be increased.  Also,
+                                   // SharedMiscCodeSize will need to be increased.
+                                   // The following 2 sizes were based on
+                                   // MetaspaceShared::generate_vtable_methods()
+    vtbl_method_size       = 16,   // conservative size of the mov1 and jmp instructions
+                                   // for the x64 platform
+    vtbl_common_code_size  = (1*K) // conservative size of the "common_code" for the x64 platform
   };
 
   enum {
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/oops/instanceKlass.cpp
--- a/src/share/vm/oops/instanceKlass.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/oops/instanceKlass.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -780,6 +780,41 @@
   }
 }
 
+// Eagerly initialize superinterfaces that declare default methods (concrete instance: any access)
+void InstanceKlass::initialize_super_interfaces(instanceKlassHandle this_oop, TRAPS) {
+  if (this_oop->has_default_methods()) {
+    for (int i = 0; i < this_oop->local_interfaces()->length(); ++i) {
+      Klass* iface = this_oop->local_interfaces()->at(i);
+      InstanceKlass* ik = InstanceKlass::cast(iface);
+      if (ik->should_be_initialized()) {
+        if (ik->has_default_methods()) {
+          ik->initialize_super_interfaces(ik, THREAD);
+        }
+        // Only initialize() interfaces that "declare" concrete methods.
+        // has_default_methods drives searching superinterfaces since it
+        // means has_default_methods in its superinterface hierarchy
+        if (!HAS_PENDING_EXCEPTION && ik->declares_default_methods()) {
+          ik->initialize(THREAD);
+        }
+        if (HAS_PENDING_EXCEPTION) {
+          Handle e(THREAD, PENDING_EXCEPTION);
+          CLEAR_PENDING_EXCEPTION;
+          {
+            EXCEPTION_MARK;
+            // Locks object, set state, and notify all waiting threads
+            this_oop->set_initialization_state_and_notify(
+                initialization_error, THREAD);
+
+            // ignore any exception thrown, superclass initialization error is
+            // thrown below
+            CLEAR_PENDING_EXCEPTION;
+          }
+          THROW_OOP(e());
+        }
+      }
+    }
+  }
+}
 
 void InstanceKlass::initialize_impl(instanceKlassHandle this_oop, TRAPS) {
   // Make sure klass is linked (verified) before initialization
@@ -859,33 +894,11 @@
     }
   }
 
+  // Recursively initialize any superinterfaces that declare default methods
+  // Only need to recurse if has_default_methods which includes declaring and
+  // inheriting default methods
   if (this_oop->has_default_methods()) {
-    // Step 7.5: initialize any interfaces which have default methods
-    for (int i = 0; i < this_oop->local_interfaces()->length(); ++i) {
-      Klass* iface = this_oop->local_interfaces()->at(i);
-      InstanceKlass* ik = InstanceKlass::cast(iface);
-      if (ik->has_default_methods() && ik->should_be_initialized()) {
-        ik->initialize(THREAD);
-
-        if (HAS_PENDING_EXCEPTION) {
-          Handle e(THREAD, PENDING_EXCEPTION);
-          CLEAR_PENDING_EXCEPTION;
-          {
-            EXCEPTION_MARK;
-            // Locks object, set state, and notify all waiting threads
-            this_oop->set_initialization_state_and_notify(
-                initialization_error, THREAD);
-
-            // ignore any exception thrown, superclass initialization error is
-            // thrown below
-            CLEAR_PENDING_EXCEPTION;
-          }
-          DTRACE_CLASSINIT_PROBE_WAIT(
-              super__failed, InstanceKlass::cast(this_oop()), -1, wait);
-          THROW_OOP(e());
-        }
-      }
-    }
+    this_oop->initialize_super_interfaces(this_oop, CHECK);
   }
 
   // Step 8
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/oops/instanceKlass.hpp
--- a/src/share/vm/oops/instanceKlass.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/oops/instanceKlass.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -229,12 +229,13 @@
   bool            _has_unloaded_dependent;
 
   enum {
-    _misc_rewritten            = 1 << 0, // methods rewritten.
-    _misc_has_nonstatic_fields = 1 << 1, // for sizing with UseCompressedOops
-    _misc_should_verify_class  = 1 << 2, // allow caching of preverification
-    _misc_is_anonymous         = 1 << 3, // has embedded _host_klass field
-    _misc_is_contended         = 1 << 4, // marked with contended annotation
-    _misc_has_default_methods  = 1 << 5  // class/superclass/implemented interfaces has default methods
+    _misc_rewritten                = 1 << 0, // methods rewritten.
+    _misc_has_nonstatic_fields     = 1 << 1, // for sizing with UseCompressedOops
+    _misc_should_verify_class      = 1 << 2, // allow caching of preverification
+    _misc_is_anonymous             = 1 << 3, // has embedded _host_klass field
+    _misc_is_contended             = 1 << 4, // marked with contended annotation
+    _misc_has_default_methods      = 1 << 5, // class/superclass/implemented interfaces has default methods
+    _misc_declares_default_methods = 1 << 6  // directly declares default methods (any access)
   };
   u2              _misc_flags;
   u2              _minor_version;        // minor version number of class file
@@ -680,6 +681,17 @@
     }
   }
 
+  bool declares_default_methods() const {
+    return (_misc_flags & _misc_declares_default_methods) != 0;
+  }
+  void set_declares_default_methods(bool b) {
+    if (b) {
+      _misc_flags |= _misc_declares_default_methods;
+    } else {
+      _misc_flags &= ~_misc_declares_default_methods;
+    }
+  }
+
   // for adding methods, ConstMethod::UNSET_IDNUM means no more ids available
   inline u2 next_method_idnum();
   void set_initial_method_idnum(u2 value)             { _idnum_allocated_count = value; }
@@ -1046,6 +1058,7 @@
   static bool link_class_impl                           (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
   static bool verify_code                               (instanceKlassHandle this_oop, bool throw_verifyerror, TRAPS);
   static void initialize_impl                           (instanceKlassHandle this_oop, TRAPS);
+  static void initialize_super_interfaces               (instanceKlassHandle this_oop, TRAPS);
   static void eager_initialize_impl                     (instanceKlassHandle this_oop);
   static void set_initialization_state_and_notify_impl  (instanceKlassHandle this_oop, ClassState state, TRAPS);
   static void call_class_initializer_impl               (instanceKlassHandle this_oop, TRAPS);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/oops/objArrayOop.hpp
--- a/src/share/vm/oops/objArrayOop.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/oops/objArrayOop.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -45,9 +45,10 @@
 private:
   // Give size of objArrayOop in HeapWords minus the header
   static int array_size(int length) {
-    const int OopsPerHeapWord = HeapWordSize/heapOopSize;
+    const uint OopsPerHeapWord = HeapWordSize/heapOopSize;
     assert(OopsPerHeapWord >= 1 && (HeapWordSize % heapOopSize == 0),
            "Else the following (new) computation would be in error");
+    uint res = ((uint)length + OopsPerHeapWord - 1)/OopsPerHeapWord;
 #ifdef ASSERT
     // The old code is left in for sanity-checking; it'll
     // go away pretty soon. XXX
@@ -55,16 +56,15 @@
     // oop->length() * HeapWordsPerOop;
     // With narrowOops, HeapWordsPerOop is 1/2 or equal 0 as an integer.
     // The oop elements are aligned up to wordSize
-    const int HeapWordsPerOop = heapOopSize/HeapWordSize;
-    int old_res;
+    const uint HeapWordsPerOop = heapOopSize/HeapWordSize;
+    uint old_res;
     if (HeapWordsPerOop > 0) {
       old_res = length * HeapWordsPerOop;
     } else {
-      old_res = align_size_up(length, OopsPerHeapWord)/OopsPerHeapWord;
+      old_res = align_size_up((uint)length, OopsPerHeapWord)/OopsPerHeapWord;
     }
+    assert(res == old_res, "Inconsistency between old and new.");
 #endif  // ASSERT
-    int res = ((uint)length + OopsPerHeapWord - 1)/OopsPerHeapWord;
-    assert(res == old_res, "Inconsistency between old and new.");
     return res;
   }
 
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/oops/typeArrayOop.hpp
--- a/src/share/vm/oops/typeArrayOop.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/oops/typeArrayOop.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -150,7 +150,7 @@
     DEBUG_ONLY(BasicType etype = Klass::layout_helper_element_type(lh));
     assert(length <= arrayOopDesc::max_array_length(etype), "no overflow");
 
-    julong size_in_bytes = length;
+    julong size_in_bytes = (juint)length;
     size_in_bytes <<= element_shift;
     size_in_bytes += instance_header_size;
     julong size_in_words = ((size_in_bytes + (HeapWordSize-1)) >> LogHeapWordSize);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/opto/c2_globals.hpp
--- a/src/share/vm/opto/c2_globals.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/opto/c2_globals.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -473,6 +473,9 @@
   product(bool, DoEscapeAnalysis, true,                                     \
           "Perform escape analysis")                                        \
                                                                             \
+  product(double, EscapeAnalysisTimeout, 20. DEBUG_ONLY(+40.),              \
+          "Abort EA when it reaches time limit (in sec)")                   \
+                                                                            \
   develop(bool, ExitEscapeAnalysisOnTimeout, true,                          \
           "Exit or throw assert in EA when it reaches time limit")          \
                                                                             \
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/opto/callGenerator.cpp
--- a/src/share/vm/opto/callGenerator.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/opto/callGenerator.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -862,7 +862,7 @@
                                             call_does_dispatch, vtable_index);  // out-parameters
           // We lack profiling at this call but type speculation may
           // provide us with a type
-          speculative_receiver_type = receiver_type->speculative_type();
+          speculative_receiver_type = (receiver_type != NULL) ? receiver_type->speculative_type() : NULL;
         }
 
         CallGenerator* cg = C->call_generator(target, vtable_index, call_does_dispatch, jvms, true, PROB_ALWAYS, speculative_receiver_type, true, true);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/opto/coalesce.cpp
--- a/src/share/vm/opto/coalesce.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/opto/coalesce.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -281,9 +281,11 @@
             Block *pred = _phc._cfg.get_block_for_node(b->pred(j));
             Node *copy;
             assert(!m->is_Con() || m->is_Mach(), "all Con must be Mach");
-            // Rematerialize constants instead of copying them
-            if( m->is_Mach() && m->as_Mach()->is_Con() &&
-                m->as_Mach()->rematerialize() ) {
+            // Rematerialize constants instead of copying them.
+            // We do this only for immediate constants, we avoid constant table loads
+            // because that will unsafely extend the live range of the constant table base.
+            if (m->is_Mach() && m->as_Mach()->is_Con() && !m->as_Mach()->is_MachConstant() &&
+                m->as_Mach()->rematerialize()) {
               copy = m->clone();
               // Insert the copy in the predecessor basic block
               pred->add_inst(copy);
@@ -317,8 +319,8 @@
             assert(!m->is_Con() || m->is_Mach(), "all Con must be Mach");
             // At this point it is unsafe to extend live ranges (6550579).
             // Rematerialize only constants as we do for Phi above.
-            if(m->is_Mach() && m->as_Mach()->is_Con() &&
-               m->as_Mach()->rematerialize()) {
+            if (m->is_Mach() && m->as_Mach()->is_Con() && !m->as_Mach()->is_MachConstant() &&
+                m->as_Mach()->rematerialize()) {
               copy = m->clone();
               // Insert the copy in the basic block, just before us
               b->insert_node(copy, l++);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/opto/escape.cpp
--- a/src/share/vm/opto/escape.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/opto/escape.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -37,6 +37,8 @@
 
 ConnectionGraph::ConnectionGraph(Compile * C, PhaseIterGVN *igvn) :
   _nodes(C->comp_arena(), C->unique(), C->unique(), NULL),
+  _in_worklist(C->comp_arena()),
+  _next_pidx(0),
   _collecting(true),
   _verify(false),
   _compile(C),
@@ -124,13 +126,19 @@
   if (C->root() != NULL) {
     ideal_nodes.push(C->root());
   }
+  // Processed ideal nodes are unique on ideal_nodes list
+  // but several ideal nodes are mapped to the phantom_obj.
+  // To avoid duplicated entries on the following worklists
+  // add the phantom_obj only once to them.
+  ptnodes_worklist.append(phantom_obj);
+  java_objects_worklist.append(phantom_obj);
   for( uint next = 0; next < ideal_nodes.size(); ++next ) {
     Node* n = ideal_nodes.at(next);
     // Create PointsTo nodes and add them to Connection Graph. Called
     // only once per ideal node since ideal_nodes is Unique_Node list.
     add_node_to_connection_graph(n, &delayed_worklist);
     PointsToNode* ptn = ptnode_adr(n->_idx);
-    if (ptn != NULL) {
+    if (ptn != NULL && ptn != phantom_obj) {
       ptnodes_worklist.append(ptn);
       if (ptn->is_JavaObject()) {
         java_objects_worklist.append(ptn->as_JavaObject());
@@ -414,7 +422,7 @@
     }
     case Op_CreateEx: {
       // assume that all exception objects globally escape
-      add_java_object(n, PointsToNode::GlobalEscape);
+      map_ideal_node(n, phantom_obj);
       break;
     }
     case Op_LoadKlass:
@@ -1065,13 +1073,8 @@
   // on graph complexity. Observed 8 passes in jvm2008 compiler.compiler.
   // Set limit to 20 to catch situation when something did go wrong and
   // bailout Escape Analysis.
-  // Also limit build time to 30 sec (60 in debug VM).
+  // Also limit build time to 20 sec (60 in debug VM), EscapeAnalysisTimeout flag.
 #define CG_BUILD_ITER_LIMIT 20
-#ifdef ASSERT
-#define CG_BUILD_TIME_LIMIT 60.0
-#else
-#define CG_BUILD_TIME_LIMIT 30.0
-#endif
 
   // Propagate GlobalEscape and ArgEscape escape states and check that
   // we still have non-escaping objects. The method pushs on _worklist
@@ -1082,12 +1085,13 @@
   // Now propagate references to all JavaObject nodes.
   int java_objects_length = java_objects_worklist.length();
   elapsedTimer time;
+  bool timeout = false;
   int new_edges = 1;
   int iterations = 0;
   do {
     while ((new_edges > 0) &&
-          (iterations++   < CG_BUILD_ITER_LIMIT) &&
-          (time.seconds() < CG_BUILD_TIME_LIMIT)) {
+           (iterations++ < CG_BUILD_ITER_LIMIT)) {
+      double start_time = time.seconds();
       time.start();
       new_edges = 0;
       // Propagate references to phantom_object for nodes pushed on _worklist
@@ -1096,7 +1100,26 @@
       for (int next = 0; next < java_objects_length; ++next) {
         JavaObjectNode* ptn = java_objects_worklist.at(next);
         new_edges += add_java_object_edges(ptn, true);
+
+#define SAMPLE_SIZE 4
+        if ((next % SAMPLE_SIZE) == 0) {
+          // Each 4 iterations calculate how much time it will take
+          // to complete graph construction.
+          time.stop();
+          double stop_time = time.seconds();
+          double time_per_iter = (stop_time - start_time) / (double)SAMPLE_SIZE;
+          double time_until_end = time_per_iter * (double)(java_objects_length - next);
+          if ((start_time + time_until_end) >= EscapeAnalysisTimeout) {
+            timeout = true;
+            break; // Timeout
+          }
+          start_time = stop_time;
+          time.start();
+        }
+#undef SAMPLE_SIZE
+
       }
+      if (timeout) break;
       if (new_edges > 0) {
         // Update escape states on each iteration if graph was updated.
         if (!find_non_escaped_objects(ptnodes_worklist, non_escaped_worklist)) {
@@ -1104,9 +1127,12 @@
         }
       }
       time.stop();
+      if (time.seconds() >= EscapeAnalysisTimeout) {
+        timeout = true;
+        break;
+      }
     }
-    if ((iterations     < CG_BUILD_ITER_LIMIT) &&
-        (time.seconds() < CG_BUILD_TIME_LIMIT)) {
+    if ((iterations < CG_BUILD_ITER_LIMIT) && !timeout) {
       time.start();
       // Find fields which have unknown value.
       int fields_length = oop_fields_worklist.length();
@@ -1119,18 +1145,21 @@
         }
       }
       time.stop();
+      if (time.seconds() >= EscapeAnalysisTimeout) {
+        timeout = true;
+        break;
+      }
     } else {
       new_edges = 0; // Bailout
     }
   } while (new_edges > 0);
 
   // Bailout if passed limits.
-  if ((iterations     >= CG_BUILD_ITER_LIMIT) ||
-      (time.seconds() >= CG_BUILD_TIME_LIMIT)) {
+  if ((iterations >= CG_BUILD_ITER_LIMIT) || timeout) {
     Compile* C = _compile;
     if (C->log() != NULL) {
       C->log()->begin_elem("connectionGraph_bailout reason='reached ");
-      C->log()->text("%s", (iterations >= CG_BUILD_ITER_LIMIT) ? "iterations" : "time");
+      C->log()->text("%s", timeout ? "time" : "iterations");
       C->log()->end_elem(" limit'");
     }
     assert(ExitEscapeAnalysisOnTimeout, err_msg_res("infinite EA connection graph build (%f sec, %d iterations) with %d nodes and worklist size %d",
@@ -1147,7 +1176,6 @@
 #endif
 
 #undef CG_BUILD_ITER_LIMIT
-#undef CG_BUILD_TIME_LIMIT
 
   // Find fields initialized by NULL for non-escaping Allocations.
   int non_escaped_length = non_escaped_worklist.length();
@@ -1271,8 +1299,8 @@
       }
     }
   }
-  while(_worklist.length() > 0) {
-    PointsToNode* use = _worklist.pop();
+  for (int l = 0; l < _worklist.length(); l++) {
+    PointsToNode* use = _worklist.at(l);
     if (PointsToNode::is_base_use(use)) {
       // Add reference from jobj to field and from field to jobj (field's base).
       use = PointsToNode::get_use_node(use)->as_Field();
@@ -1319,6 +1347,8 @@
       add_field_uses_to_worklist(use->as_Field());
     }
   }
+  _worklist.clear();
+  _in_worklist.Reset();
   return new_edges;
 }
 
@@ -1898,7 +1928,7 @@
     return;
   }
   Compile* C = _compile;
-  ptadr = new (C->comp_arena()) LocalVarNode(C, n, es);
+  ptadr = new (C->comp_arena()) LocalVarNode(this, n, es);
   _nodes.at_put(n->_idx, ptadr);
 }
 
@@ -1909,7 +1939,7 @@
     return;
   }
   Compile* C = _compile;
-  ptadr = new (C->comp_arena()) JavaObjectNode(C, n, es);
+  ptadr = new (C->comp_arena()) JavaObjectNode(this, n, es);
   _nodes.at_put(n->_idx, ptadr);
 }
 
@@ -1925,7 +1955,7 @@
     es = PointsToNode::GlobalEscape;
   }
   Compile* C = _compile;
-  FieldNode* field = new (C->comp_arena()) FieldNode(C, n, es, offset, is_oop);
+  FieldNode* field = new (C->comp_arena()) FieldNode(this, n, es, offset, is_oop);
   _nodes.at_put(n->_idx, field);
 }
 
@@ -1939,7 +1969,7 @@
     return;
   }
   Compile* C = _compile;
-  ptadr = new (C->comp_arena()) ArraycopyNode(C, n, es);
+  ptadr = new (C->comp_arena()) ArraycopyNode(this, n, es);
   _nodes.at_put(n->_idx, ptadr);
   // Add edge from arraycopy node to source object.
   (void)add_edge(ptadr, src);
@@ -2839,6 +2869,13 @@
           continue;
         }
       }
+
+      const TypeOopPtr *t = igvn->type(n)->isa_oopptr();
+      if (t == NULL)
+        continue;  // not a TypeOopPtr
+      if (!t->klass_is_exact())
+        continue; // not an unique type
+
       if (alloc->is_Allocate()) {
         // Set the scalar_replaceable flag for allocation
         // so it could be eliminated.
@@ -2857,10 +2894,7 @@
       //   - not determined to be ineligible by escape analysis
       set_map(alloc, n);
       set_map(n, alloc);
-      const TypeOopPtr *t = igvn->type(n)->isa_oopptr();
-      if (t == NULL)
-        continue;  // not a TypeOopPtr
-      const TypeOopPtr* tinst = t->cast_to_exactness(true)->is_oopptr()->cast_to_instance_id(ni);
+      const TypeOopPtr* tinst = t->cast_to_instance_id(ni);
       igvn->hash_delete(n);
       igvn->set_type(n,  tinst);
       n->raise_bottom_type(tinst);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/opto/escape.hpp
--- a/src/share/vm/opto/escape.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/opto/escape.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -125,6 +125,8 @@
 class FieldNode;
 class ArraycopyNode;
 
+class ConnectionGraph;
+
 // ConnectionGraph nodes
 class PointsToNode : public ResourceObj {
   GrowableArray<PointsToNode*> _edges; // List of nodes this node points to
@@ -137,6 +139,7 @@
 
   Node* const        _node;  // Ideal node corresponding to this PointsTo node.
   const int           _idx;  // Cached ideal node's _idx
+  const uint         _pidx;  // Index of this node
 
 public:
   typedef enum {
@@ -165,17 +168,9 @@
   } NodeFlags;
 
 
-  PointsToNode(Compile *C, Node* n, EscapeState es, NodeType type):
-    _edges(C->comp_arena(), 2, 0, NULL),
-    _uses (C->comp_arena(), 2, 0, NULL),
-    _node(n),
-    _idx(n->_idx),
-    _type((u1)type),
-    _escape((u1)es),
-    _fields_escape((u1)es),
-    _flags(ScalarReplaceable) {
-    assert(n != NULL && es != UnknownEscape, "sanity");
-  }
+  inline PointsToNode(ConnectionGraph* CG, Node* n, EscapeState es, NodeType type);
+
+  uint        pidx()   const { return _pidx; }
 
   Node* ideal_node()   const { return _node; }
   int          idx()   const { return _idx; }
@@ -243,14 +238,14 @@
 
 class LocalVarNode: public PointsToNode {
 public:
-  LocalVarNode(Compile *C, Node* n, EscapeState es):
-    PointsToNode(C, n, es, LocalVar) {}
+  LocalVarNode(ConnectionGraph *CG, Node* n, EscapeState es):
+    PointsToNode(CG, n, es, LocalVar) {}
 };
 
 class JavaObjectNode: public PointsToNode {
 public:
-  JavaObjectNode(Compile *C, Node* n, EscapeState es):
-    PointsToNode(C, n, es, JavaObject) {
+  JavaObjectNode(ConnectionGraph *CG, Node* n, EscapeState es):
+    PointsToNode(CG, n, es, JavaObject) {
       if (es > NoEscape)
         set_scalar_replaceable(false);
     }
@@ -262,8 +257,8 @@
   const bool  _is_oop; // Field points to object
         bool  _has_unknown_base; // Has phantom_object base
 public:
-  FieldNode(Compile *C, Node* n, EscapeState es, int offs, bool is_oop):
-    PointsToNode(C, n, es, Field),
+  FieldNode(ConnectionGraph *CG, Node* n, EscapeState es, int offs, bool is_oop):
+    PointsToNode(CG, n, es, Field),
     _offset(offs), _is_oop(is_oop),
     _has_unknown_base(false) {}
 
@@ -284,8 +279,8 @@
 
 class ArraycopyNode: public PointsToNode {
 public:
-  ArraycopyNode(Compile *C, Node* n, EscapeState es):
-    PointsToNode(C, n, es, Arraycopy) {}
+  ArraycopyNode(ConnectionGraph *CG, Node* n, EscapeState es):
+    PointsToNode(CG, n, es, Arraycopy) {}
 };
 
 // Iterators for PointsTo node's edges:
@@ -323,11 +318,14 @@
 
 
 class ConnectionGraph: public ResourceObj {
+  friend class PointsToNode;
 private:
   GrowableArray<PointsToNode*>  _nodes; // Map from ideal nodes to
                                         // ConnectionGraph nodes.
 
   GrowableArray<PointsToNode*>  _worklist; // Nodes to be processed
+  VectorSet                  _in_worklist;
+  uint                         _next_pidx;
 
   bool            _collecting; // Indicates whether escape information
                                // is still being collected. If false,
@@ -353,6 +351,8 @@
   }
   uint nodes_size() const { return _nodes.length(); }
 
+  uint next_pidx() { return _next_pidx++; }
+
   // Add nodes to ConnectionGraph.
   void add_local_var(Node* n, PointsToNode::EscapeState es);
   void add_java_object(Node* n, PointsToNode::EscapeState es);
@@ -396,15 +396,26 @@
   int add_java_object_edges(JavaObjectNode* jobj, bool populate_worklist);
 
   // Put node on worklist if it is (or was) not there.
-  void add_to_worklist(PointsToNode* pt) {
-    _worklist.push(pt);
-    return;
+  inline void add_to_worklist(PointsToNode* pt) {
+    PointsToNode* ptf = pt;
+    uint pidx_bias = 0;
+    if (PointsToNode::is_base_use(pt)) {
+      // Create a separate entry in _in_worklist for a marked base edge
+      // because _worklist may have an entry for a normal edge pointing
+      // to the same node. To separate them use _next_pidx as bias.
+      ptf = PointsToNode::get_use_node(pt)->as_Field();
+      pidx_bias = _next_pidx;
+    }
+    if (!_in_worklist.test_set(ptf->pidx() + pidx_bias)) {
+      _worklist.append(pt);
+    }
   }
 
   // Put on worklist all uses of this node.
-  void add_uses_to_worklist(PointsToNode* pt) {
-    for (UseIterator i(pt); i.has_next(); i.next())
-      _worklist.push(i.get());
+  inline void add_uses_to_worklist(PointsToNode* pt) {
+    for (UseIterator i(pt); i.has_next(); i.next()) {
+      add_to_worklist(i.get());
+    }
   }
 
   // Put on worklist all field's uses and related field nodes.
@@ -517,8 +528,8 @@
  }
   // Helper functions
   bool   is_oop_field(Node* n, int offset, bool* unsafe);
- static Node* get_addp_base(Node *addp);
- static Node* find_second_addp(Node* addp, Node* n);
+  static Node* get_addp_base(Node *addp);
+  static Node* find_second_addp(Node* addp, Node* n);
   // offset of a field reference
   int address_offset(Node* adr, PhaseTransform *phase);
 
@@ -587,4 +598,17 @@
 #endif
 };
 
+inline PointsToNode::PointsToNode(ConnectionGraph *CG, Node* n, EscapeState es, NodeType type):
+  _edges(CG->_compile->comp_arena(), 2, 0, NULL),
+  _uses (CG->_compile->comp_arena(), 2, 0, NULL),
+  _node(n),
+  _idx(n->_idx),
+  _pidx(CG->next_pidx()),
+  _type((u1)type),
+  _escape((u1)es),
+  _fields_escape((u1)es),
+  _flags(ScalarReplaceable) {
+  assert(n != NULL && es != UnknownEscape, "sanity");
+}
+
 #endif // SHARE_VM_OPTO_ESCAPE_HPP
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/runtime/advancedThresholdPolicy.cpp
--- a/src/share/vm/runtime/advancedThresholdPolicy.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/runtime/advancedThresholdPolicy.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -451,7 +451,7 @@
   if (should_create_mdo(mh(), level)) {
     create_mdo(mh, thread);
   }
-  if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh, InvocationEntryBci)) {
+  if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh)) {
     CompLevel next_level = call_event(mh(), level);
     if (next_level != level) {
       compile(mh, InvocationEntryBci, next_level, thread);
@@ -475,7 +475,7 @@
     CompLevel next_osr_level = loop_event(imh(), level);
     CompLevel max_osr_level = (CompLevel)imh->highest_osr_comp_level();
     // At the very least compile the OSR version
-    if (!CompileBroker::compilation_is_in_queue(imh, bci) && next_osr_level != level) {
+    if (!CompileBroker::compilation_is_in_queue(imh) && (next_osr_level != level)) {
       compile(imh, bci, next_osr_level, thread);
     }
 
@@ -509,7 +509,7 @@
           nm->make_not_entrant();
         }
       }
-      if (!CompileBroker::compilation_is_in_queue(mh, InvocationEntryBci)) {
+      if (!CompileBroker::compilation_is_in_queue(mh)) {
         // Fix up next_level if necessary to avoid deopts
         if (next_level == CompLevel_limited_profile && max_osr_level == CompLevel_full_profile) {
           next_level = CompLevel_full_profile;
@@ -521,7 +521,7 @@
     } else {
       cur_level = comp_level(imh());
       next_level = call_event(imh(), cur_level);
-      if (!CompileBroker::compilation_is_in_queue(imh, bci) && next_level != cur_level) {
+      if (!CompileBroker::compilation_is_in_queue(imh) && (next_level != cur_level)) {
         compile(imh, InvocationEntryBci, next_level, thread);
       }
     }
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/runtime/arguments.cpp
--- a/src/share/vm/runtime/arguments.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/runtime/arguments.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -300,6 +300,7 @@
   { "UseStringCache",                JDK_Version::jdk(8), JDK_Version::jdk(9) },
   { "UseOldInlining",                JDK_Version::jdk(9), JDK_Version::jdk(10) },
   { "AutoShutdownNMT",               JDK_Version::jdk(9), JDK_Version::jdk(10) },
+  { "CompilationRepeat",             JDK_Version::jdk(8), JDK_Version::jdk(9) },
 #ifdef PRODUCT
   { "DesiredMethodLimit",
                            JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) },
@@ -1144,6 +1145,32 @@
   }
 }
 
+/**
+ * Returns the minimum number of compiler threads needed to run the JVM. The following
+ * configurations are possible.
+ *
+ * 1) The JVM is build using an interpreter only. As a result, the minimum number of
+ *    compiler threads is 0.
+ * 2) The JVM is build using the compiler(s) and tiered compilation is disabled. As
+ *    a result, either C1 or C2 is used, so the minimum number of compiler threads is 1.
+ * 3) The JVM is build using the compiler(s) and tiered compilation is enabled. However,
+ *    the option "TieredStopAtLevel < CompLevel_full_optimization". As a result, only
+ *    C1 can be used, so the minimum number of compiler threads is 1.
+ * 4) The JVM is build using the compilers and tiered compilation is enabled. The option
+ *    'TieredStopAtLevel = CompLevel_full_optimization' (the default value). As a result,
+ *    the minimum number of compiler threads is 2.
+ */
+int Arguments::get_min_number_of_compiler_threads() {
+#if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)
+  return 0;   // case 1
+#else
+  if (!TieredCompilation || (TieredStopAtLevel < CompLevel_full_optimization)) {
+    return 1; // case 2 or case 3
+  }
+  return 2;   // case 4 (tiered)
+#endif
+}
+
 #if INCLUDE_ALL_GCS
 static void disable_adaptive_size_policy(const char* collector_name) {
   if (UseAdaptiveSizePolicy) {
@@ -2461,6 +2488,12 @@
   status &= verify_interval(SafepointPollOffset, 0, os::vm_page_size() - BytesPerWord, "SafepointPollOffset");
 #endif
 
+  int min_number_of_compiler_threads = get_min_number_of_compiler_threads();
+  // The default CICompilerCount's value is CI_COMPILER_COUNT.
+  assert(min_number_of_compiler_threads <= CI_COMPILER_COUNT, "minimum should be less or equal default number");
+  // Check the minimum number of compiler threads
+  status &=verify_min_value(CICompilerCount, min_number_of_compiler_threads, "CICompilerCount");
+
   return status;
 }
 
@@ -3617,6 +3650,8 @@
   bool settings_file_specified = false;
   bool needs_hotspotrc_warning = false;
 
+  ArgumentsExt::process_options(args);
+
   const char* flags_file;
   int index;
   for (index = 0; index < args->nOptions; index++) {
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/runtime/arguments.hpp
--- a/src/share/vm/runtime/arguments.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/runtime/arguments.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -327,6 +327,7 @@
 
   // Tiered
   static void set_tiered_flags();
+  static int  get_min_number_of_compiler_threads();
   // CMS/ParNew garbage collectors
   static void set_parnew_gc_flags();
   static void set_cms_and_parnew_gc_flags();
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/runtime/arguments_ext.hpp
--- a/src/share/vm/runtime/arguments_ext.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/runtime/arguments_ext.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -34,6 +34,7 @@
   static inline bool check_gc_consistency_user();
   static inline bool check_gc_consistency_ergo();
   static inline bool check_vm_args_consistency();
+  static        void process_options(const JavaVMInitArgs* args) {}
 };
 
 void ArgumentsExt::select_gc_ergonomically() {
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/runtime/globals.cpp
--- a/src/share/vm/runtime/globals.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/runtime/globals.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -243,6 +243,11 @@
   return is_unlocked_ext();
 }
 
+void Flag::unlock_diagnostic() {
+  assert(is_diagnostic(), "sanity");
+  _flags = Flags(_flags & ~KIND_DIAGNOSTIC);
+}
+
 // Get custom message for this locked flag, or return NULL if
 // none is available.
 void Flag::get_locked_message(char* buf, int buflen) const {
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/runtime/globals.hpp
--- a/src/share/vm/runtime/globals.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/runtime/globals.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -313,6 +313,8 @@
   bool is_writeable_ext() const;
   bool is_external_ext() const;
 
+  void unlock_diagnostic();
+
   void get_locked_message(char*, int) const;
   void get_locked_message_ext(char*, int) const;
 
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/runtime/simpleThresholdPolicy.cpp
--- a/src/share/vm/runtime/simpleThresholdPolicy.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/runtime/simpleThresholdPolicy.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -239,7 +239,7 @@
   if (bci != InvocationEntryBci && mh->is_not_osr_compilable(level)) {
     return;
   }
-  if (!CompileBroker::compilation_is_in_queue(mh, bci)) {
+  if (!CompileBroker::compilation_is_in_queue(mh)) {
     if (PrintTieredEvents) {
       print_event(COMPILE, mh, mh, bci, level);
     }
@@ -378,7 +378,7 @@
 // Handle the invocation event.
 void SimpleThresholdPolicy::method_invocation_event(methodHandle mh, methodHandle imh,
                                               CompLevel level, nmethod* nm, JavaThread* thread) {
-  if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh, InvocationEntryBci)) {
+  if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh)) {
     CompLevel next_level = call_event(mh(), level);
     if (next_level != level) {
       compile(mh, InvocationEntryBci, next_level, thread);
@@ -391,8 +391,8 @@
 void SimpleThresholdPolicy::method_back_branch_event(methodHandle mh, methodHandle imh,
                                                      int bci, CompLevel level, nmethod* nm, JavaThread* thread) {
   // If the method is already compiling, quickly bail out.
-  if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh, bci)) {
-    // Use loop event as an opportinity to also check there's been
+  if (is_compilation_enabled() && !CompileBroker::compilation_is_in_queue(mh)) {
+    // Use loop event as an opportunity to also check there's been
     // enough calls.
     CompLevel cur_level = comp_level(mh());
     CompLevel next_level = call_event(mh(), cur_level);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/utilities/debug.cpp
--- a/src/share/vm/utilities/debug.cpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/utilities/debug.cpp	Fri Oct 31 10:58:30 2014 -0700
@@ -266,17 +266,19 @@
     "native memory for metadata",
     "shared read only space",
     "shared read write space",
-    "shared miscellaneous data space"
+    "shared miscellaneous data space",
+    "shared miscellaneous code space"
   };
   static const char* flag[] = {
     "Metaspace",
     "SharedReadOnlySize",
     "SharedReadWriteSize",
-    "SharedMiscDataSize"
+    "SharedMiscDataSize",
+    "SharedMiscCodeSize"
   };
 
    warning("\nThe %s is not large enough\n"
-           "to preload requested classes. Use -XX:%s=\n"
+           "to preload requested classes. Use -XX:%s=<size>\n"
            "to increase the initial size of %s.\n",
            name[shared_space], flag[shared_space], name[shared_space]);
    exit(2);
diff -r b251d9b90799 -r 521e269ae1da src/share/vm/utilities/debug.hpp
--- a/src/share/vm/utilities/debug.hpp	Wed Oct 29 10:50:30 2014 -0700
+++ b/src/share/vm/utilities/debug.hpp	Fri Oct 31 10:58:30 2014 -0700
@@ -246,7 +246,8 @@
   SharedPermGen,
   SharedReadOnly,
   SharedReadWrite,
-  SharedMiscData
+  SharedMiscData,
+  SharedMiscCode
 };
 
 void report_out_of_shared_space(SharedSpaceType space_type);
diff -r b251d9b90799 -r 521e269ae1da test/compiler/ciReplay/common.sh
--- a/test/compiler/ciReplay/common.sh	Wed Oct 29 10:50:30 2014 -0700
+++ b/test/compiler/ciReplay/common.sh	Fri Oct 31 10:58:30 2014 -0700
@@ -213,7 +213,7 @@
             -XX:VMThreadStackSize=512 \
             -XX:CompilerThreadStackSize=512 \
             -XX:ParallelGCThreads=1 \
-            -XX:CICompilerCount=1 \
+            -XX:CICompilerCount=2 \
             -Xcomp \
             -XX:CICrashAt=1 \
             -XX:+CreateMinidumpOnCrash \
diff -r b251d9b90799 -r 521e269ae1da test/compiler/jsr292/NullConstantReceiver.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jsr292/NullConstantReceiver.java	Fri Oct 31 10:58:30 2014 -0700
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8059556
+ * @run main/othervm -Xbatch NullConstantReceiver
+ */
+
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+
+public class NullConstantReceiver {
+    static final MethodHandle target;
+    static {
+        try {
+            target = MethodHandles.lookup().findVirtual(NullConstantReceiver.class, "test", MethodType.methodType(void.class));
+        } catch (ReflectiveOperationException e) {
+            throw new Error(e);
+        }
+    }
+
+    public void test() {}
+
+    static void run() throws Throwable {
+        target.invokeExact((NullConstantReceiver) null);
+    }
+
+    public static void main(String[] args) throws Throwable {
+        for (int i = 0; i<15000; i++) {
+            try {
+                run();
+            } catch (NullPointerException e) {
+                // expected
+                continue;
+            }
+            throw new AssertionError("NPE wasn't thrown");
+        }
+        System.out.println("TEST PASSED");
+    }
+}
diff -r b251d9b90799 -r 521e269ae1da test/compiler/jsr292/VMAnonymousClasses.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/jsr292/VMAnonymousClasses.java	Fri Oct 31 10:58:30 2014 -0700
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8058828
+ * @run main/bootclasspath -Xbatch VMAnonymousClasses
+ */
+
+import jdk.internal.org.objectweb.asm.ClassWriter;
+import jdk.internal.org.objectweb.asm.MethodVisitor;
+import jdk.internal.org.objectweb.asm.Opcodes;
+import sun.misc.Unsafe;
+
+import java.lang.invoke.ConstantCallSite;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+import java.lang.invoke.MutableCallSite;
+import java.lang.invoke.VolatileCallSite;
+
+public class VMAnonymousClasses {
+    static final String TEST_METHOD_NAME = "constant";
+
+    static final Unsafe UNSAFE = Unsafe.getUnsafe();
+
+    static int getConstantPoolSize(byte[] classFile) {
+        // The first few bytes:
+        // u4 magic;
+        // u2 minor_version;
+        // u2 major_version;
+        // u2 constant_pool_count;
+        return ((classFile[8] & 0xFF) << 8) | (classFile[9] & 0xFF);
+    }
+
+    static void test(Object value) throws ReflectiveOperationException {
+        System.out.printf("Test: %s", value != null ? value.getClass() : "null");
+
+        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);
+        cw.visit(Opcodes.V1_8, Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER, "Test", null, "java/lang/Object", null);
+
+        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_STATIC | Opcodes.ACC_PUBLIC, TEST_METHOD_NAME, "()Ljava/lang/Object;", null, null);
+
+        String placeholder = "CONSTANT";
+        int index = cw.newConst(placeholder);
+        mv.visitLdcInsn(placeholder);
+        mv.visitInsn(Opcodes.ARETURN);
+
+        mv.visitMaxs(0, 0);
+        mv.visitEnd();
+
+        byte[] classFile = cw.toByteArray();
+
+        Object[] cpPatches = new Object[getConstantPoolSize(classFile)];
+        cpPatches[index] = value;
+
+        Class<?> test = UNSAFE.defineAnonymousClass(VMAnonymousClasses.class, classFile, cpPatches);
+
+        Object expectedResult = (value != null) ? value : placeholder;
+        for (int i = 0; i<15000; i++) {
+            Object result = test.getMethod(TEST_METHOD_NAME).invoke(null);
+            if (result != expectedResult) {
+                throw new AssertionError(String.format("Wrong value returned: %s != %s", value, result));
+            }
+        }
+        System.out.println(" PASSED");
+    }
+
+    public static void main(String[] args) throws ReflectiveOperationException  {
+        // Objects
+        test(new Object());
+        test("TEST");
+        test(new VMAnonymousClasses());
+        test(null);
+
+        // Class
+        test(String.class);
+
+        // Arrays
+        test(new boolean[0]);
+        test(new byte[0]);
+        test(new char[0]);
+        test(new short[0]);
+        test(new int[0]);
+        test(new long[0]);
+        test(new float[0]);
+        test(new double[0]);
+        test(new Object[0]);
+
+        // Multi-dimensional arrays
+        test(new byte[0][0]);
+        test(new Object[0][0]);
+
+        // MethodHandle-related
+        MethodType   mt = MethodType.methodType(void.class, String[].class);
+        MethodHandle mh = MethodHandles.lookup().findStatic(VMAnonymousClasses.class, "main", mt);
+        test(mt);
+        test(mh);
+        test(new ConstantCallSite(mh));
+        test(new MutableCallSite(MethodType.methodType(void.class)));
+        test(new VolatileCallSite(MethodType.methodType(void.class)));
+
+        System.out.println("TEST PASSED");
+    }
+}
diff -r b251d9b90799 -r 521e269ae1da test/compiler/membars/DekkerTest.java
--- a/test/compiler/membars/DekkerTest.java	Wed Oct 29 10:50:30 2014 -0700
+++ b/test/compiler/membars/DekkerTest.java	Fri Oct 31 10:58:30 2014 -0700
@@ -25,9 +25,9 @@
  * @test
  * @bug 8007898
  * @summary Incorrect optimization of Memory Barriers in Matcher::post_store_load_barrier().
- * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CICompilerCount=1 -XX:+StressGCM -XX:+StressLCM DekkerTest
- * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CICompilerCount=1 -XX:+StressGCM -XX:+StressLCM DekkerTest
- * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CICompilerCount=1 -XX:+StressGCM -XX:+StressLCM DekkerTest
+ * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CICompilerCount=1 -XX:-TieredCompilation -XX:+StressGCM -XX:+StressLCM DekkerTest
+ * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CICompilerCount=1 -XX:-TieredCompilation -XX:+StressGCM -XX:+StressLCM DekkerTest
+ * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CICompilerCount=1 -XX:-TieredCompilation -XX:+StressGCM -XX:+StressLCM DekkerTest
  * @author Martin Doerr martin DOT doerr AT sap DOT com
  *
  * Run 3 times since the failure is intermittent.
diff -r b251d9b90799 -r 521e269ae1da test/compiler/startup/NumCompilerThreadsCheck.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/startup/NumCompilerThreadsCheck.java	Fri Oct 31 10:58:30 2014 -0700
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8034775
+ * @summary Ensures correct minimal number of compiler threads (provided by -XX:CICompilerCount=)
+ * @library /testlibrary
+ */
+import com.oracle.java.testlibrary.*;
+
+public class NumCompilerThreadsCheck {
+
+  public static void main(String[] args) throws Exception {
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:CICompilerCount=-1");
+    OutputAnalyzer out = new OutputAnalyzer(pb.start());
+
+    String expectedOutput = "CICompilerCount of -1 is invalid";
+    out.shouldContain(expectedOutput);
+
+    if (isZeroVm()) {
+      String expectedLowWaterMarkText = "must be at least 0";
+      out.shouldContain(expectedLowWaterMarkText);
+    }
+  }
+
+  private static boolean isZeroVm() {
+    String vmName = System.getProperty("java.vm.name");
+    if (vmName == null) {
+      throw new RuntimeException("No VM name");
+    }
+    if (vmName.toLowerCase().contains("zero")) {
+      return true;
+    }
+    return false;
+  }
+}
diff -r b251d9b90799 -r 521e269ae1da test/runtime/NMT/PrintNMTStatistics.java
--- a/test/runtime/NMT/PrintNMTStatistics.java	Wed Oct 29 10:50:30 2014 -0700
+++ b/test/runtime/NMT/PrintNMTStatistics.java	Fri Oct 31 10:58:30 2014 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -24,42 +24,40 @@
 /*
  * @test
  * @key nmt regression
- * @bug 8005936
- * @summary Make sure PrintNMTStatistics works on normal JVM exit
- * @library /testlibrary /testlibrary/whitebox
- * @build PrintNMTStatistics
- * @run main ClassFileInstaller sun.hotspot.WhiteBox
- * @run main PrintNMTStatistics
+ * @bug 8005936 8058606
+ * @summary Verify PrintNMTStatistics on normal JVM exit for detail and summary tracking level
+ * @library /testlibrary
  */
 
 import com.oracle.java.testlibrary.*;
 
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-import sun.hotspot.WhiteBox;
-
 public class PrintNMTStatistics {
 
-  public static void main(String args[]) throws Exception {
-
-    // We start a new java process running with an argument and use WB API to ensure
-    // we have data for NMT on VM exit
-    if (args.length > 0) {
-      return;
-    }
+    public static void main(String args[]) throws Exception {
 
     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
-        "-XX:+UnlockDiagnosticVMOptions",
-        "-Xbootclasspath/a:.",
-        "-XX:+WhiteBoxAPI",
-        "-XX:NativeMemoryTracking=summary",
-        "-XX:+PrintNMTStatistics",
-        "PrintNMTStatistics",
-        "test");
+      "-XX:+UnlockDiagnosticVMOptions",
+      "-XX:+PrintNMTStatistics",
+      "-XX:NativeMemoryTracking=detail",
+      "-version");
+
+    OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());
+    output_detail.shouldContain("Virtual memory map:");
+    output_detail.shouldContain("Details:");
+    output_detail.shouldNotContain("error");
+    output_detail.shouldHaveExitValue(0);
 
-    OutputAnalyzer output = new OutputAnalyzer(pb.start());
-    output.shouldContain("Java Heap (reserved=");
-    output.shouldNotContain("error");
-    output.shouldHaveExitValue(0);
-  }
+    ProcessBuilder pb1 = ProcessTools.createJavaProcessBuilder(
+      "-XX:+UnlockDiagnosticVMOptions",
+      "-XX:+PrintNMTStatistics",
+      "-XX:NativeMemoryTracking=summary",
+      "-version");
+
+    OutputAnalyzer output_summary = new OutputAnalyzer(pb1.start());
+    output_summary.shouldContain("Java Heap (reserved=");
+    output_summary.shouldNotContain("Virtual memory map:");
+    output_summary.shouldNotContain("Details:");
+    output_summary.shouldNotContain("error");
+    output_summary.shouldHaveExitValue(0);
+    }
 }
diff -r b251d9b90799 -r 521e269ae1da test/runtime/SharedArchiveFile/LimitSharedSizes.java
--- a/test/runtime/SharedArchiveFile/LimitSharedSizes.java	Wed Oct 29 10:50:30 2014 -0700
+++ b/test/runtime/SharedArchiveFile/LimitSharedSizes.java	Fri Oct 31 10:58:30 2014 -0700
@@ -51,9 +51,12 @@
         // Known issue, JDK-8038422 (assert() on Windows)
         // new SharedSizeTestData("-XX:SharedMiscDataSize", "500k",    "miscellaneous data"),
 
-        // This will cause a VM crash; commenting out for now; see bug JDK-8038268
-        // @ignore JDK-8038268
-        // new SharedSizeTestData("-XX:SharedMiscCodeSize", "20k",     "miscellaneous code"),
+        // Too small of a misc code size should not cause a vm crash.
+        // It should result in the following error message:
+        // The shared miscellaneous code space is not large enough
+        // to preload requested classes. Use -XX:SharedMiscCodeSize=
+        // to increase the initial size of shared miscellaneous code space.
+        new SharedSizeTestData("-XX:SharedMiscCodeSize", "20k",     "miscellaneous code"),
 
         // these values are larger than default ones, but should
         // be acceptable and not cause failure
diff -r b251d9b90799 -r 521e269ae1da test/runtime/lambda-features/InvokespecialInterface.java
--- a/test/runtime/lambda-features/InvokespecialInterface.java	Wed Oct 29 10:50:30 2014 -0700
+++ b/test/runtime/lambda-features/InvokespecialInterface.java	Fri Oct 31 10:58:30 2014 -0700
@@ -33,11 +33,12 @@
 import java.util.function.*;
 import java.util.*;
 
+public class InvokespecialInterface {
 interface I {
   default void imethod() { System.out.println("I::imethod"); }
 }
 
-class C implements I {
+static class C implements I {
   public void foo() { I.super.imethod(); }  // invokespecial InterfaceMethod
   public void bar() { I i = this; i.imethod(); } // invokeinterface same
   public void doSomeInvokedynamic() {
@@ -48,7 +49,6 @@
   }
 }
 
-public class InvokespecialInterface {
   public static void main(java.lang.String[] unused) {
      // need to create C and call I::foo()
      C c = new C();
diff -r b251d9b90799 -r 521e269ae1da test/runtime/lambda-features/TestInterfaceInit.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/lambda-features/TestInterfaceInit.java	Fri Oct 31 10:58:30 2014 -0700
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8034275
+ * @summary [JDK 8u40] Test interface initialization: only for interfaces declaring default methods
+ * @run main TestInterfaceInit
+ */
+import java.util.List;
+import java.util.Arrays;
+import java.util.ArrayList;
+
+public class TestInterfaceInit {
+
+   static List<Class<?>> cInitOrder = new ArrayList<>();
+
+   // Declares a default method and initializes
+   interface I {
+       boolean v = TestInterfaceInit.out(I.class);
+        default void x() {}
+   }
+
+   // Declares a default method and initializes
+   interface J extends I {
+       boolean v = TestInterfaceInit.out(J.class);
+       default void x() {}
+   }
+   // No default method, does not initialize
+   interface JN extends J {
+       boolean v = TestInterfaceInit.out(JN.class);
+   }
+
+   // Declares a default method and initializes
+   interface K extends I {
+       boolean v = TestInterfaceInit.out(K.class);
+        default void x() {}
+   }
+
+   // No default method, does not initialize
+   interface KN extends K {
+       boolean v = TestInterfaceInit.out(KN.class);
+   }
+
+   interface L extends JN, KN {
+       boolean v = TestInterfaceInit.out(L.class);
+        default void x() {}
+   }
+
+   public static void main(String[] args) {
+       // Trigger initialization
+       boolean v = L.v;
+
+       List<Class<?>> expectedCInitOrder = Arrays.asList(I.class,J.class,K.class,L.class);
+       if (!cInitOrder.equals(expectedCInitOrder)) {
+         throw new RuntimeException(String.format("Class initialization array %s not equal to expected array %s", cInitOrder, expectedCInitOrder));
+       }
+   }
+
+   static boolean out(Class c) {
+       System.out.println("#: initializing " + c.getName());
+       cInitOrder.add(c);
+       return true;
+   }
+
+}
diff -r b251d9b90799 -r 521e269ae1da test/runtime/lambda-features/TestInterfaceOrder.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/lambda-features/TestInterfaceOrder.java	Fri Oct 31 10:58:30 2014 -0700
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @bug 8034275
+ * @summary [JDK 8u40] Test interface initialization order
+ * @run main TestInterfaceOrder
+ */
+
+import java.util.List;
+import java.util.Arrays;
+import java.util.ArrayList;
+
+public class TestInterfaceOrder {
+  static List<Class<?>> cInitOrder = new ArrayList<>();
+
+  public static void main(java.lang.String[] args) {
+    //Trigger initialization
+    C c = new C();
+
+    List<Class<?>> expectedCInitOrder = Arrays.asList(I.class, J.class, A.class, K.class, B.class, L.class, C.class);
+    if (!cInitOrder.equals(expectedCInitOrder)) {
+      throw new RuntimeException(String.format("Class initialization order %s not equal to expected order %s", cInitOrder, expectedCInitOrder));
+    }
+  }
+
+  interface I {
+    boolean v = TestInterfaceOrder.out(I.class);
+   default void i() {}
+  }
+
+  interface J extends I {
+    boolean v = TestInterfaceOrder.out(J.class);
+    default void j() {}
+  }
+
+  static class A implements J {
+    static boolean v = TestInterfaceOrder.out(A.class);
+  }
+
+  interface K extends I {
+    boolean v = TestInterfaceOrder.out(K.class);
+    default void k() {}
+  }
+
+  static class B extends A implements K {
+    static boolean v = TestInterfaceOrder.out(B.class);
+  }
+
+  interface L  {
+    boolean v = TestInterfaceOrder.out(L.class);
+    default void l() {}
+  }
+
+  static class C extends B implements L {
+    static boolean v = TestInterfaceOrder.out(C.class);
+  }
+
+
+   static boolean out(Class c) {
+       System.out.println("#: initializing " + c.getName());
+       cInitOrder.add(c);
+       return true;
+   }
+
+}