Fix leak in optimizing compiler thread.

src/optimizing-compiler-thread.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 19 matching lines @@
 #include "v8.h"
 
 #include "full-codegen.h"
 #include "hydrogen.h"
 #include "isolate.h"
 #include "v8threads.h"
 
 namespace v8 {
 namespace internal {
 
+OptimizingCompilerThread::~OptimizingCompilerThread() {
+#ifdef DEBUG
+  for (int i = 0; i < osr_buffer_capacity_; i++) {
+    CHECK_EQ(NULL, osr_buffer_[i]);
+  }
+#endif
+  DeleteArray(osr_buffer_);
+  ASSERT_EQ(0, input_queue_length_);
+  DeleteArray(input_queue_);
+}
+
 
 void OptimizingCompilerThread::Run() {
 #ifdef DEBUG
   { LockGuard<Mutex> lock_guard(&thread_id_mutex_);
     thread_id_ = ThreadId::Current().ToInteger();
   }
 #endif
   Isolate::SetIsolateThreadLocals(isolate_, NULL);
   DisallowHeapAllocation no_allocation;
   DisallowHandleAllocation no_handles;
@@ skipping 309 matching lines @@
 #ifdef DEBUG
 bool OptimizingCompilerThread::IsOptimizerThread() {
   if (!FLAG_concurrent_recompilation) return false;
   LockGuard<Mutex> lock_guard(&thread_id_mutex_);
   return ThreadId::Current().ToInteger() == thread_id_;
 }
 #endif
 
 
 } }  // namespace v8::internal