Flush PC-to-code cache before doing verification.

src/mark-compact.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 278 matching lines @@
 #ifdef DEBUG
   if (FLAG_verify_heap) {
     VerifyMarking(heap_);
   }
 #endif
 
   SweepSpaces();
 
   if (!collect_maps_) ReattachInitialMaps();
 
-  heap_->isolate()->inner_pointer_to_code_cache()->Flush();
-
   Finish();
 
   tracer_ = NULL;
 }
 
 
 #ifdef DEBUG
 void MarkCompactCollector::VerifyMarkbitsAreClean(PagedSpace* space) {
   PageIterator it(space);
 
@@ skipping 3105 matching lines @@
         &updating_visitor);
   }
 
   EvacuationWeakObjectRetainer evacuation_object_retainer;
   heap()->ProcessWeakReferences(&evacuation_object_retainer);
 
   // Visit invalidated code (we ignored all slots on it) and clear mark-bits
   // under it.
   ProcessInvalidatedCode(&updating_visitor);
 
+  heap_->isolate()->inner_pointer_to_code_cache()->Flush();
+
 #ifdef DEBUG
   if (FLAG_verify_heap) {
     VerifyEvacuation(heap_);
   }
 #endif
 
   slots_buffer_allocator_.DeallocateChain(&migration_slots_buffer_);
   ASSERT(migration_slots_buffer_ == NULL);
   for (int i = 0; i < npages; i++) {
     Page* p = evacuation_candidates_[i];
@@ skipping 705 matching lines @@
   while (buffer != NULL) {
     SlotsBuffer* next_buffer = buffer->next();
     DeallocateBuffer(buffer);
     buffer = next_buffer;
   }
   *buffer_address = NULL;
 }
 
 
 } }  // namespace v8::internal