Merge r8833 "Minimize malloc heap allocation on process startup" to 3.2.

src/top.cc

 // Copyright 2011 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 29 matching lines @@
 
 
 // TODO(isolates): move to isolate.cc. This stuff is kept here to
 // simplify merging.
 
 namespace v8 {
 namespace internal {
 
 ThreadLocalTop::ThreadLocalTop() {
   InitializeInternal();
+  // This flag may be set using v8::V8::IgnoreOutOfMemoryException()
+  // before an isolate is initialized. The initialize methods below do
+  // not touch it to preserve its value.
+  ignore_out_of_memory_ = false;
 }
 
 
 void ThreadLocalTop::InitializeInternal() {
   c_entry_fp_ = 0;
   handler_ = 0;
 #ifdef USE_SIMULATOR
   simulator_ = NULL;
 #endif
 #ifdef ENABLE_LOGGING_AND_PROFILING
@@ skipping 260 matching lines @@
       allocator = new HeapStringAllocator();
     } else {
       allocator = preallocated_message_space_;
     }
 
     StringStream::ClearMentionedObjectCache();
     StringStream accumulator(allocator);
     incomplete_message_ = &accumulator;
     PrintStack(&accumulator);
     accumulator.OutputToStdOut();
+    InitializeLoggingAndCounters();
     accumulator.Log();
     incomplete_message_ = NULL;
     stack_trace_nesting_level_ = 0;
     if (preallocated_message_space_ == NULL) {
       // Remove the HeapStringAllocator created above.
       delete allocator;
     }
   } else if (stack_trace_nesting_level_ == 1) {
     stack_trace_nesting_level_++;
     OS::PrintError(
@@ skipping 629 matching lines @@
   thread_local_top()->simulator_ = Simulator::current(this);
 #endif
 #endif
   if (RuntimeProfiler::IsEnabled() && current_vm_state() == JS) {
     RuntimeProfiler::IsolateEnteredJS(this);
   }
   return from + sizeof(ThreadLocalTop);
 }
 
 } }  // namespace v8::internal