CPU Profiler: postpone moved functions registration until GC completes.

src/cpu-profiler.h

Index: src/cpu-profiler.h
diff --git a/src/cpu-profiler.h b/src/cpu-profiler.h
index f52bd67d9cb9ee3a0be03ba6690776dc2af0051d..1afd8ca3cacac7939fa1806ca2b439465f7d5507 100644
--- a/src/cpu-profiler.h
+++ b/src/cpu-profiler.h
@@ -165,6 +165,8 @@ class ProfilerEventsProcessor : public Thread {
   // Puts current stack into tick sample events buffer.
   void AddCurrentStack();
   bool IsKnownFunction(Address start);
+  void RegisterMovedFunctions();
+  void RememberMovedFunction(JSFunction* function);
 
   // Tick sample events are filled directly in the buffer of the circular
   // queue (because the structure is of fixed width, but usually not all
@@ -202,6 +204,7 @@ class ProfilerEventsProcessor : public Thread {
 
   // Used from the VM thread.
   HashMap* known_functions_;
+  List<JSFunction*> moved_functions_;
 };
 
 } }  // namespace v8::internal
@@ -257,12 +260,12 @@ class CpuProfiler {
   static void FunctionCreateEvent(JSFunction* function);
   // Reports function creation in case we had missed it (e.g.
   // if it was created from compiled code).
-  static void FunctionCreateEventFromMove(JSFunction* function,
-                                          HeapObject* source);
+  static void FunctionCreateEventFromMove(JSFunction* function);
   static void FunctionMoveEvent(Address from, Address to);
   static void FunctionDeleteEvent(Address from);
   static void GetterCallbackEvent(String* name, Address entry_point);
   static void RegExpCodeCreateEvent(Code* code, String* source);
+  static void RegisterMovedFunctions();
   static void SetterCallbackEvent(String* name, Address entry_point);
 
   static INLINE(bool is_profiling()) {