Mercurial > hg > graal-compiler

changeset 10310:b5be63340698

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Merge
author dcubed
date Fri, 17 May 2013 11:36:43 -0700
parents 7ec426e29e4c (current diff) 1ba508fcd3e2 (diff)
children 386b77bf6427
files agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/amd64/AMD64CFrame.java agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/x86/X86CFrame.java src/share/vm/classfile/classFileParser.cpp test/runtime/7158804/Test7158804.sh
diffstat 13 files changed, 683 insertions(+), 195 deletions(-) [+]
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/amd64/AMD64CFrame.java	Fri May 17 09:10:04 2013 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2003, 2012, 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.
- *
- */
-
-package sun.jvm.hotspot.debugger.cdbg.basic.amd64;
-
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.amd64.*;
-import sun.jvm.hotspot.debugger.cdbg.*;
-import sun.jvm.hotspot.debugger.cdbg.basic.*;
-
-/** Basic AMD64 frame functionality providing sender() functionality. */
-
-public class AMD64CFrame extends BasicCFrame {
-  private Address rbp;
-  private Address pc;
-
-  private static final int ADDRESS_SIZE = 8;
-
-  /** Constructor for topmost frame */
-  public AMD64CFrame(CDebugger dbg, Address rbp, Address pc) {
-    super(dbg);
-    this.rbp = rbp;
-    this.pc  = pc;
-  }
-
-  public CFrame sender(ThreadProxy thread) {
-    AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
-    Address rsp = context.getRegisterAsAddress(AMD64ThreadContext.RSP);
-
-    if ( (rbp == null) || rbp.lessThan(rsp) ) {
-      return null;
-    }
-
-    Address nextRBP = rbp.getAddressAt( 0 * ADDRESS_SIZE);
-    if (nextRBP == null) {
-      return null;
-    }
-    Address nextPC  = rbp.getAddressAt( 1 * ADDRESS_SIZE);
-    if (nextPC == null) {
-      return null;
-    }
-    return new AMD64CFrame(dbg(), nextRBP, nextPC);
-  }
-
-  public Address pc() {
-    return pc;
-  }
-
-  public Address localVariableBase() {
-    return rbp;
-  }
-}
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/x86/X86CFrame.java	Fri May 17 09:10:04 2013 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2001, 2012, 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.
- *
- */
-
-package sun.jvm.hotspot.debugger.cdbg.basic.x86;
-
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.x86.*;
-import sun.jvm.hotspot.debugger.cdbg.*;
-import sun.jvm.hotspot.debugger.cdbg.basic.*;
-
-/** Basic X86 frame functionality providing sender() functionality. */
-
-public class X86CFrame extends BasicCFrame {
-  private Address ebp;
-  private Address pc;
-
-  private static final int ADDRESS_SIZE = 4;
-
-  /** Constructor for topmost frame */
-  public X86CFrame(CDebugger dbg, Address ebp, Address pc) {
-    super(dbg);
-    this.ebp = ebp;
-    this.pc  = pc;
-  }
-
-  public CFrame sender(ThreadProxy thread) {
-    X86ThreadContext context = (X86ThreadContext) thread.getContext();
-    Address esp = context.getRegisterAsAddress(X86ThreadContext.ESP);
-
-    if ( (ebp == null) || ebp.lessThan(esp) ) {
-      return null;
-    }
-
-    Address nextEBP = ebp.getAddressAt( 0 * ADDRESS_SIZE);
-    if (nextEBP == null) {
-      return null;
-    }
-    Address nextPC  = ebp.getAddressAt( 1 * ADDRESS_SIZE);
-    if (nextPC == null) {
-      return null;
-    }
-    return new X86CFrame(dbg(), nextEBP, nextPC);
-  }
-
-  public Address pc() {
-    return pc;
-  }
-
-  public Address localVariableBase() {
-    return ebp;
-  }
-}
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/WindbgCDebugger.java	Fri May 17 09:10:04 2013 -0700
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/WindbgCDebugger.java	Fri May 17 11:36:43 2013 -0700
@@ -28,10 +28,10 @@
 import java.util.*;
 import sun.jvm.hotspot.debugger.*;
 import sun.jvm.hotspot.debugger.cdbg.*;
-import sun.jvm.hotspot.debugger.cdbg.basic.x86.*;
-import sun.jvm.hotspot.debugger.cdbg.basic.amd64.*;
 import sun.jvm.hotspot.debugger.x86.*;
 import sun.jvm.hotspot.debugger.amd64.*;
+import sun.jvm.hotspot.debugger.windows.x86.*;
+import sun.jvm.hotspot.debugger.windows.amd64.*;
 import sun.jvm.hotspot.utilities.AddressOps;
 
 class WindbgCDebugger implements CDebugger {
@@ -75,14 +75,14 @@
       if (ebp == null) return null;
       Address pc  = context.getRegisterAsAddress(X86ThreadContext.EIP);
       if (pc == null) return null;
-      return new X86CFrame(this, ebp, pc);
+      return new WindowsX86CFrame(dbg, ebp, pc);
     } else if (dbg.getCPU().equals("amd64")) {
       AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
       Address rbp = context.getRegisterAsAddress(AMD64ThreadContext.RBP);
       if (rbp == null) return null;
       Address pc  = context.getRegisterAsAddress(AMD64ThreadContext.RIP);
       if (pc == null) return null;
-      return new AMD64CFrame(this, rbp, pc);
+      return new WindowsAMD64CFrame(dbg, rbp, pc);
     } else {
       // unsupported CPU!
       return null;
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/windows/amd64/WindowsAMD64CFrame.java	Fri May 17 11:36:43 2013 -0700
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2003, 2012, 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.
+ *
+ */
+
+package sun.jvm.hotspot.debugger.windows.amd64;
+
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.amd64.*;
+import sun.jvm.hotspot.debugger.cdbg.*;
+import sun.jvm.hotspot.debugger.cdbg.basic.*;
+import sun.jvm.hotspot.debugger.windbg.*;
+
+public class WindowsAMD64CFrame extends BasicCFrame {
+  private Address rbp;
+  private Address pc;
+
+  private static final int ADDRESS_SIZE = 8;
+
+  /** Constructor for topmost frame */
+  public WindowsAMD64CFrame(WindbgDebugger dbg, Address rbp, Address pc) {
+    super(dbg.getCDebugger());
+    this.rbp = rbp;
+    this.pc  = pc;
+    this.dbg = dbg;
+  }
+
+  public CFrame sender(ThreadProxy thread) {
+    AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
+    Address rsp = context.getRegisterAsAddress(AMD64ThreadContext.RSP);
+
+    if ( (rbp == null) || rbp.lessThan(rsp) ) {
+      return null;
+    }
+
+    // Check alignment of rbp
+    if ( dbg.getAddressValue(rbp) % ADDRESS_SIZE != 0) {
+        return null;
+    }
+
+    Address nextRBP = rbp.getAddressAt( 0 * ADDRESS_SIZE);
+    if (nextRBP == null || nextRBP.lessThanOrEqual(rbp)) {
+      return null;
+    }
+    Address nextPC  = rbp.getAddressAt( 1 * ADDRESS_SIZE);
+    if (nextPC == null) {
+      return null;
+    }
+    return new WindowsAMD64CFrame(dbg, nextRBP, nextPC);
+  }
+
+  public Address pc() {
+    return pc;
+  }
+
+  public Address localVariableBase() {
+    return rbp;
+  }
+
+  private WindbgDebugger dbg;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/windows/x86/WindowsX86CFrame.java	Fri May 17 11:36:43 2013 -0700
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2001, 2012, 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.
+ *
+ */
+
+package sun.jvm.hotspot.debugger.windows.x86;
+
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.x86.*;
+import sun.jvm.hotspot.debugger.cdbg.*;
+import sun.jvm.hotspot.debugger.cdbg.basic.*;
+import sun.jvm.hotspot.debugger.windbg.*;
+
+public class WindowsX86CFrame extends BasicCFrame {
+  private Address ebp;
+  private Address pc;
+
+  private static final int ADDRESS_SIZE = 4;
+
+  /** Constructor for topmost frame */
+  public WindowsX86CFrame(WindbgDebugger dbg, Address ebp, Address pc) {
+    super(dbg.getCDebugger());
+    this.ebp = ebp;
+    this.pc  = pc;
+    this.dbg = dbg;
+  }
+
+  public CFrame sender(ThreadProxy thread) {
+    X86ThreadContext context = (X86ThreadContext) thread.getContext();
+    Address esp = context.getRegisterAsAddress(X86ThreadContext.ESP);
+
+    if ( (ebp == null) || ebp.lessThan(esp) ) {
+      return null;
+    }
+
+    // Check alignment of ebp
+    if ( dbg.getAddressValue(ebp) % ADDRESS_SIZE != 0) {
+        return null;
+    }
+
+    Address nextEBP = ebp.getAddressAt( 0 * ADDRESS_SIZE);
+    if (nextEBP == null || nextEBP.lessThanOrEqual(ebp)) {
+      return null;
+    }
+    Address nextPC  = ebp.getAddressAt( 1 * ADDRESS_SIZE);
+    if (nextPC == null) {
+      return null;
+    }
+    return new WindowsX86CFrame(dbg, nextEBP, nextPC);
+  }
+
+  public Address pc() {
+    return pc;
+  }
+
+  public Address localVariableBase() {
+    return ebp;
+  }
+
+  private WindbgDebugger dbg;
+}
--- a/make/sa.files	Fri May 17 09:10:04 2013 -0700
+++ b/make/sa.files	Fri May 17 11:36:43 2013 -0700
@@ -48,8 +48,6 @@
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/bsd/x86/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/cdbg/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/cdbg/basic/*.java \
-$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/cdbg/basic/x86/*.java \
-$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/cdbg/basic/amd64/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/dummy/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/amd64/*.java \
@@ -70,6 +68,8 @@
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/amd64/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/x86/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windows/x86/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windows/amd64/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/x86/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/gc_implementation/g1/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/gc_implementation/parallelScavenge/*.java \
--- a/src/share/vm/classfile/classFileParser.cpp	Fri May 17 09:10:04 2013 -0700
+++ b/src/share/vm/classfile/classFileParser.cpp	Fri May 17 11:36:43 2013 -0700
@@ -1719,15 +1719,28 @@
     coll->set_annotation(id);
 
     if (id == AnnotationCollector::_sun_misc_Contended) {
+      // @Contended can optionally specify the contention group.
+      //
+      // Contended group defines the equivalence class over the fields:
+      // the fields within the same contended group are not treated distinct.
+      // The only exception is default group, which does not incur the
+      // equivalence. Naturally, contention group for classes is meaningless.
+      //
+      // While the contention group is specified as String, annotation
+      // values are already interned, and we might as well use the constant
+      // pool index as the group tag.
+      //
+      u2 group_index = 0; // default contended group
       if (count == 1
           && s_size == (index - index0)  // match size
           && s_tag_val == *(abase + tag_off)
           && member == vmSymbols::value_name()) {
-        u2 group_index = Bytes::get_Java_u2(abase + s_con_off);
-        coll->set_contended_group(group_index);
-      } else {
-        coll->set_contended_group(0); // default contended group
+        group_index = Bytes::get_Java_u2(abase + s_con_off);
+        if (_cp->symbol_at(group_index)->utf8_length() == 0) {
+          group_index = 0; // default contended group
+        }
       }
+      coll->set_contended_group(group_index);
     }
   }
 }
@@ -3165,13 +3178,13 @@
   first_nonstatic_field_offset = instanceOopDesc::base_offset_in_bytes() +
                                  nonstatic_field_size * heapOopSize;
 
+  next_nonstatic_field_offset = first_nonstatic_field_offset;
+
   // class is contended, pad before all the fields
   if (parsed_annotations->is_contended()) {
-    first_nonstatic_field_offset += pad_size;
+    next_nonstatic_field_offset += pad_size;
   }
 
-  next_nonstatic_field_offset = first_nonstatic_field_offset;
-
   unsigned int nonstatic_double_count = fac->count[NONSTATIC_DOUBLE] - fac_contended.count[NONSTATIC_DOUBLE];
   unsigned int nonstatic_word_count   = fac->count[NONSTATIC_WORD]   - fac_contended.count[NONSTATIC_WORD];
   unsigned int nonstatic_short_count  = fac->count[NONSTATIC_SHORT]  - fac_contended.count[NONSTATIC_SHORT];
@@ -3562,7 +3575,7 @@
   int instance_size = align_object_size(next_nonstatic_type_offset / wordSize);
 
   assert(instance_size == align_object_size(align_size_up(
-         (instanceOopDesc::base_offset_in_bytes() + nonstatic_field_size*heapOopSize + ((parsed_annotations->is_contended()) ? pad_size : 0)),
+         (instanceOopDesc::base_offset_in_bytes() + nonstatic_field_size*heapOopSize),
           wordSize) / wordSize), "consistent layout helper value");
 
   // Number of non-static oop map blocks allocated at end of klass.
--- a/src/share/vm/prims/jvmtiExport.cpp	Fri May 17 09:10:04 2013 -0700
+++ b/src/share/vm/prims/jvmtiExport.cpp	Fri May 17 11:36:43 2013 -0700
@@ -1624,15 +1624,19 @@
     }
   }
 
+  assert(sig_type != '[', "array should have sig_type == 'L'");
+  bool handle_created = false;
+
   // convert oop to JNI handle.
-  if (sig_type == 'L' || sig_type == '[') {
+  if (sig_type == 'L') {
+    handle_created = true;
     value->l = (jobject)JNIHandles::make_local(thread, (oop)value->l);
   }
 
   post_field_modification(thread, method, location, field_klass, object, field, sig_type, value);
 
   // Destroy the JNI handle allocated above.
-  if (sig_type == 'L') {
+  if (handle_created) {
     JNIHandles::destroy_local(value->l);
   }
 }
--- a/test/runtime/7158804/Test7158804.sh	Fri May 17 09:10:04 2013 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,31 +0,0 @@
-#!/bin/sh
-#
-# Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
-# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
-#
-
-##
-## @test Test7158804.sh
-## @bug 7158804
-## @summary Improve config file parsing
-## @run shell Test7158804.sh
-##
-if [ "${TESTSRC}" = "" ]
-then
-  TESTSRC=${PWD}
-  echo "TESTSRC not set.  Using "${TESTSRC}" as default"
-fi
-echo "TESTSRC=${TESTSRC}"
-## Adding common setup Variables for running shell tests.
-. ${TESTSRC}/../../test_env.sh
-
-rm -f .hotspotrc
-echo -XX:+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >.hotspotrc
-${TESTJAVA}/bin/java ${TESTVMOPTS} -XX:+IgnoreUnrecognizedVMOptions -XX:Flags=.hotspotrc -version
-if [ $? -ne 0 ]
-then
-    echo "Test Failed"
-    exit 1
-fi
-rm -f .hotspotrc
-exit 0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/CommandLine/ConfigFileParsing.java	Fri May 17 11:36:43 2013 -0700
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2013, 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 ConfigFileParsing
+ * @bug 7158804
+ * @summary Improve config file parsing
+ * @library /testlibrary
+ */
+
+import java.io.PrintWriter;
+import com.oracle.java.testlibrary.*;
+
+public class ConfigFileParsing {
+  public static void main(String[] args) throws Exception {
+    String testFileName = ".hotspotrc";
+
+    // Create really long invalid option
+    String reallyLongInvalidOption = "";
+    for (int i=0; i<5000; i++)
+      reallyLongInvalidOption+='a';
+
+    // Populate the options file with really long string
+    PrintWriter pw = new PrintWriter(testFileName);
+    pw.println("-XX:+" + reallyLongInvalidOption);
+    pw.close();
+
+    // start VM
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+        "-XX:+IgnoreUnrecognizedVMOptions", "-XX:Flags=.hotspotrc", "-version");
+
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+    output.shouldHaveExitValue(0);
+  }
+}
--- a/test/runtime/RedefineObject/TestRedefineObject.java	Fri May 17 09:10:04 2013 -0700
+++ b/test/runtime/RedefineObject/TestRedefineObject.java	Fri May 17 11:36:43 2013 -0700
@@ -32,10 +32,10 @@
  * @library /testlibrary
  * @build Agent
  * @run main ClassFileInstaller Agent
- * @run main Test
+ * @run main TestRedefineObject
  * @run main/othervm -javaagent:agent.jar Agent
  */
-public class Test {
+public class TestRedefineObject {
     public static void main(String[] args) throws Exception  {
 
       PrintWriter pw = new PrintWriter("MANIFEST.MF");
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/contended/DefaultValue.java	Fri May 17 11:36:43 2013 -0700
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.lang.Class;
+import java.lang.String;
+import java.lang.System;
+import java.lang.management.ManagementFactory;
+import java.lang.management.RuntimeMXBean;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.CyclicBarrier;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import sun.misc.Unsafe;
+import sun.misc.Contended;
+
+/*
+ * @test
+ * @bug     8014509
+ * @summary \@Contended: explicit default value behaves differently from the implicit value
+ *
+ * @run main/othervm -XX:-RestrictContended DefaultValue
+ */
+public class DefaultValue {
+
+    private static final Unsafe U;
+    private static int ADDRESS_SIZE;
+    private static int HEADER_SIZE;
+
+    static {
+        // steal Unsafe
+        try {
+            Field unsafe = Unsafe.class.getDeclaredField("theUnsafe");
+            unsafe.setAccessible(true);
+            U = (Unsafe) unsafe.get(null);
+        } catch (NoSuchFieldException | IllegalAccessException e) {
+            throw new IllegalStateException(e);
+        }
+
+        // When running with CompressedOops on 64-bit platform, the address size
+        // reported by Unsafe is still 8, while the real reference fields are 4 bytes long.
+        // Try to guess the reference field size with this naive trick.
+        try {
+            long off1 = U.objectFieldOffset(CompressedOopsClass.class.getField("obj1"));
+            long off2 = U.objectFieldOffset(CompressedOopsClass.class.getField("obj2"));
+            ADDRESS_SIZE = (int) Math.abs(off2 - off1);
+            HEADER_SIZE = (int) Math.min(off1, off2);
+        } catch (NoSuchFieldException e) {
+            ADDRESS_SIZE = -1;
+        }
+    }
+
+    static class CompressedOopsClass {
+        public Object obj1;
+        public Object obj2;
+    }
+
+    public static boolean arePaddedPairwise(Class klass, String field1, String field2) throws Exception {
+        Field f1 = klass.getField(field1);
+        Field f2 = klass.getField(field2);
+
+        int diff = offset(f1) - offset(f2);
+        if (diff < 0) {
+            // f1 is first
+            return (offset(f2) - (offset(f1) + getSize(f1))) > 64;
+        } else {
+            // f2 is first
+            return (offset(f1) - (offset(f2) + getSize(f2))) > 64;
+        }
+    }
+
+    public static boolean sameLayout(Class klass1, Class klass2) throws Exception {
+        for (Field f1 : klass1.getDeclaredFields()) {
+            Field f2 = klass2.getDeclaredField(f1.getName());
+            if (offset(f1) != offset(f2)) {
+                return false;
+            }
+        }
+
+        for (Field f2 : klass1.getDeclaredFields()) {
+            Field f1 = klass2.getDeclaredField(f2.getName());
+            if (offset(f1) != offset(f2)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public static boolean isStatic(Field field) {
+        return Modifier.isStatic(field.getModifiers());
+    }
+
+    public static int offset(Field field) {
+        if (isStatic(field)) {
+            return (int) U.staticFieldOffset(field);
+        } else {
+            return (int) U.objectFieldOffset(field);
+        }
+    }
+
+    public static int getSize(Field field) {
+        Class type = field.getType();
+        if (type == byte.class)    { return 1; }
+        if (type == boolean.class) { return 1; }
+        if (type == short.class)   { return 2; }
+        if (type == char.class)    { return 2; }
+        if (type == int.class)     { return 4; }
+        if (type == float.class)   { return 4; }
+        if (type == long.class)    { return 8; }
+        if (type == double.class)  { return 8; }
+        return ADDRESS_SIZE;
+    }
+
+    public static void main(String[] args) throws Exception {
+        boolean endResult = true;
+
+        if (!arePaddedPairwise(R1.class, "int1", "int2")) {
+            System.err.println("R1 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(R2.class, "int1", "int2")) {
+            System.err.println("R2 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(R3.class, "int1", "int2")) {
+            System.err.println("R3 failed");
+            endResult &= false;
+        }
+
+        System.out.println(endResult ? "Test PASSES" : "Test FAILS");
+        if (!endResult) {
+           throw new Error("Test failed");
+        }
+    }
+
+    public static class R1 {
+        @Contended
+        public int int1;
+        @Contended
+        public int int2;
+    }
+
+    public static class R2 {
+        @Contended("")
+        public int int1;
+        @Contended("")
+        public int int2;
+    }
+
+    public static class R3 {
+        @Contended()
+        public int int1;
+        @Contended()
+        public int int2;
+    }
+
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/contended/Inheritance1.java	Fri May 17 11:36:43 2013 -0700
@@ -0,0 +1,248 @@
+/*
+ * Copyright (c) 2013, 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.
+ */
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.lang.Class;
+import java.lang.String;
+import java.lang.System;
+import java.lang.management.ManagementFactory;
+import java.lang.management.RuntimeMXBean;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.CyclicBarrier;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import sun.misc.Unsafe;
+import sun.misc.Contended;
+
+/*
+ * @test
+ * @bug     8012939
+ * @summary \@Contended doesn't work correctly with inheritance
+ *
+ * @run main/othervm -XX:-RestrictContended Inheritance1
+ */
+public class Inheritance1 {
+
+    private static final Unsafe U;
+    private static int ADDRESS_SIZE;
+    private static int HEADER_SIZE;
+
+    static {
+        // steal Unsafe
+        try {
+            Field unsafe = Unsafe.class.getDeclaredField("theUnsafe");
+            unsafe.setAccessible(true);
+            U = (Unsafe) unsafe.get(null);
+        } catch (NoSuchFieldException | IllegalAccessException e) {
+            throw new IllegalStateException(e);
+        }
+
+        // When running with CompressedOops on 64-bit platform, the address size
+        // reported by Unsafe is still 8, while the real reference fields are 4 bytes long.
+        // Try to guess the reference field size with this naive trick.
+        try {
+            long off1 = U.objectFieldOffset(CompressedOopsClass.class.getField("obj1"));
+            long off2 = U.objectFieldOffset(CompressedOopsClass.class.getField("obj2"));
+            ADDRESS_SIZE = (int) Math.abs(off2 - off1);
+            HEADER_SIZE = (int) Math.min(off1, off2);
+        } catch (NoSuchFieldException e) {
+            ADDRESS_SIZE = -1;
+        }
+    }
+
+    static class CompressedOopsClass {
+        public Object obj1;
+        public Object obj2;
+    }
+
+    public static boolean arePaddedPairwise(Class klass, String field1, String field2) throws Exception {
+        Field f1 = klass.getField(field1);
+        Field f2 = klass.getField(field2);
+
+        int diff = offset(f1) - offset(f2);
+        if (diff < 0) {
+            // f1 is first
+            return (offset(f2) - (offset(f1) + getSize(f1))) > 64;
+        } else {
+            // f2 is first
+            return (offset(f1) - (offset(f2) + getSize(f2))) > 64;
+        }
+    }
+
+    public static boolean sameLayout(Class klass1, Class klass2) throws Exception {
+        for (Field f1 : klass1.getDeclaredFields()) {
+            Field f2 = klass2.getDeclaredField(f1.getName());
+            if (offset(f1) != offset(f2)) {
+                return false;
+            }
+        }
+
+        for (Field f2 : klass1.getDeclaredFields()) {
+            Field f1 = klass2.getDeclaredField(f2.getName());
+            if (offset(f1) != offset(f2)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    public static boolean isStatic(Field field) {
+        return Modifier.isStatic(field.getModifiers());
+    }
+
+    public static int offset(Field field) {
+        if (isStatic(field)) {
+            return (int) U.staticFieldOffset(field);
+        } else {
+            return (int) U.objectFieldOffset(field);
+        }
+    }
+
+    public static int getSize(Field field) {
+        Class type = field.getType();
+        if (type == byte.class)    { return 1; }
+        if (type == boolean.class) { return 1; }
+        if (type == short.class)   { return 2; }
+        if (type == char.class)    { return 2; }
+        if (type == int.class)     { return 4; }
+        if (type == float.class)   { return 4; }
+        if (type == long.class)    { return 8; }
+        if (type == double.class)  { return 8; }
+        return ADDRESS_SIZE;
+    }
+
+    public static void main(String[] args) throws Exception {
+        boolean endResult = true;
+
+        // --------------- INSTANCE FIELDS ---------------------
+
+        if (!arePaddedPairwise(A2_R1.class, "int1", "int2")) {
+            System.err.println("A2_R1 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(A3_R1.class, "int1", "int2")) {
+            System.err.println("A3_R1 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(A1_R2.class, "int1", "int2")) {
+            System.err.println("A1_R2 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(A2_R2.class, "int1", "int2")) {
+            System.err.println("A2_R2 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(A3_R2.class, "int1", "int2")) {
+            System.err.println("A3_R2 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(A1_R3.class, "int1", "int2")) {
+            System.err.println("A1_R3 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(A2_R3.class, "int1", "int2")) {
+            System.err.println("A2_R3 failed");
+            endResult &= false;
+        }
+
+        if (!arePaddedPairwise(A3_R3.class, "int1", "int2")) {
+            System.err.println("A3_R3 failed");
+            endResult &= false;
+        }
+
+        System.out.println(endResult ? "Test PASSES" : "Test FAILS");
+        if (!endResult) {
+           throw new Error("Test failed");
+        }
+    }
+
+    public static class R1 {
+        public int int1;
+    }
+
+    public static class R2 {
+        @Contended
+        public int int1;
+    }
+
+    @Contended
+    public static class R3 {
+        public int int1;
+    }
+
+    public static class A1_R1 extends R1 {
+        public int int2;
+    }
+
+    public static class A2_R1 extends R1 {
+        @Contended
+        public int int2;
+    }
+
+    @Contended
+    public static class A3_R1 extends R1 {
+        public int int2;
+    }
+
+    public static class A1_R2 extends R2 {
+        public int int2;
+    }
+
+    public static class A2_R2 extends R2 {
+        @Contended
+        public int int2;
+    }
+
+    @Contended
+    public static class A3_R2 extends R2 {
+        public int int2;
+    }
+
+    public static class A1_R3 extends R3 {
+        public int int2;
+    }
+
+    public static class A2_R3 extends R3 {
+        @Contended
+        public int int2;
+    }
+
+    @Contended
+    public static class A3_R3 extends R3 {
+        public int int2;
+    }
+
+
+}
+