A64: Synchronize with r16356.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index d42124a575f0aec262fe0a8bf6b76a5c01ec60d3..61527e3fd82a989c3a67b7568baafc98cbeeb779 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -524,7 +524,7 @@ void Isolate::IterateDeferredHandles(ObjectVisitor* visitor) {
 #ifdef DEBUG
 bool Isolate::IsDeferredHandle(Object** handle) {
   // Each DeferredHandles instance keeps the handles to one job in the
-  // parallel recompilation queue, containing a list of blocks.  Each block
+  // concurrent recompilation queue, containing a list of blocks.  Each block
   // contains kHandleBlockSize handles except for the first block, which may
   // not be fully filled.
   // We iterate through all the blocks to see whether the argument handle
@@ -1797,7 +1797,6 @@ Isolate::Isolate()
       optimizing_compiler_thread_(this),
       marking_thread_(NULL),
       sweeper_thread_(NULL),
-      callback_table_(NULL),
       stress_deopt_count_(0) {
   id_ = NoBarrier_AtomicIncrement(&isolate_counter_, 1);
   TRACE_ISOLATE(constructor);
@@ -1891,7 +1890,7 @@ void Isolate::Deinit() {
     debugger()->UnloadDebugger();
 #endif
 
-    if (FLAG_parallel_recompilation) optimizing_compiler_thread_.Stop();
+    if (FLAG_concurrent_recompilation) optimizing_compiler_thread_.Stop();
 
     if (FLAG_sweeper_threads > 0) {
       for (int i = 0; i < FLAG_sweeper_threads; i++) {
@@ -2068,9 +2067,6 @@ Isolate::~Isolate() {
   delete external_reference_table_;
   external_reference_table_ = NULL;
 
-  delete callback_table_;
-  callback_table_ = NULL;
-
 #ifdef ENABLE_DEBUGGER_SUPPORT
   delete debugger_;
   debugger_ = NULL;
@@ -2334,9 +2330,10 @@ bool Isolate::Init(Deserializer* des) {
     ToBooleanStub::InitializeForIsolate(this);
     ArrayConstructorStubBase::InstallDescriptors(this);
     InternalArrayConstructorStubBase::InstallDescriptors(this);
+    FastNewClosureStub::InstallDescriptors(this);
   }
 
-  if (FLAG_parallel_recompilation) optimizing_compiler_thread_.Start();
+  if (FLAG_concurrent_recompilation) optimizing_compiler_thread_.Start();
 
   if (FLAG_marking_threads > 0) {
     marking_thread_ = new MarkingThread*[FLAG_marking_threads];