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diff src/share/vm/opto/graphKit.cpp @ 950:8fe1963e3964

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6875577: CTW fails with /hotspot/src/share/vm/opto/memnode.cpp Summary: Fix do_null_check to check for unloaded klass for all oop pointers. Reviewed-by: never, cfang
author kvn
date Fri, 28 Aug 2009 11:19:33 -0700
parents 9987d9d5eb0e
children 0f1c19b7a52d
line wrap: on
line diff
--- a/src/share/vm/opto/graphKit.cpp	Thu Aug 27 06:17:23 2009 -0700
+++ b/src/share/vm/opto/graphKit.cpp	Fri Aug 28 11:19:33 2009 -0700
@@ -622,11 +622,13 @@
 
 //---------------------------PreserveReexecuteState----------------------------
 PreserveReexecuteState::PreserveReexecuteState(GraphKit* kit) {
+  assert(!kit->stopped(), "must call stopped() before");
   _kit    =    kit;
   _sp     =    kit->sp();
   _reexecute = kit->jvms()->_reexecute;
 }
 PreserveReexecuteState::~PreserveReexecuteState() {
+  if (_kit->stopped()) return;
   _kit->jvms()->_reexecute = _reexecute;
   _kit->set_sp(_sp);
 }
@@ -1123,7 +1125,7 @@
     case T_OBJECT : {
       const Type *t = _gvn.type( value );
 
-      const TypeInstPtr* tp = t->isa_instptr();
+      const TypeOopPtr* tp = t->isa_oopptr();
       if (tp != NULL && !tp->klass()->is_loaded()
           // Only for do_null_check, not any of its siblings:
           && !assert_null && null_control == NULL) {