Add a second kind of HandleScope that ties the lifetime of Handles created in its scope to the life…

src/hydrogen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3035 matching lines @@
   }
 }
 
 
 HGraph* HGraphBuilder::CreateGraph() {
   graph_ = new(zone()) HGraph(info());
   if (FLAG_hydrogen_stats) HStatistics::Instance()->Initialize(info());
 
   {
     HPhase phase("H_Block building");
+    CompilationHandleScope handle_scope(info());
     current_block_ = graph()->entry_block();
 
     Scope* scope = info()->scope();
     if (scope->HasIllegalRedeclaration()) {
       Bailout("function with illegal redeclaration");
       return NULL;
     }
     if (scope->calls_eval()) {
       Bailout("function calls eval");
       return NULL;
@@ skipping 6370 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal