Implement target cache for constructor calls.

src/mark-compact.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 866 matching lines @@
     MarkBit mark = Marking::MarkBitFrom(object);
     heap->mark_compact_collector()->MarkObject(object, mark);
   }
 
   static inline void VisitCodeTarget(Heap* heap, RelocInfo* rinfo) {
     ASSERT(RelocInfo::IsCodeTarget(rinfo->rmode()));
     Code* target = Code::GetCodeFromTargetAddress(rinfo->target_address());
     if (FLAG_cleanup_code_caches_at_gc && target->is_inline_cache_stub()) {
       IC::Clear(rinfo->pc());
       target = Code::GetCodeFromTargetAddress(rinfo->target_address());
-    } else {
-      if (FLAG_cleanup_code_caches_at_gc &&
-          target->kind() == Code::STUB &&
-          target->major_key() == CodeStub::CallFunction &&
-          target->has_function_cache()) {
-        CallFunctionStub::Clear(heap, rinfo->pc());
-      }
+    } else if (FLAG_cleanup_code_caches_at_gc && CallStub::HasCache(target)) {
+      CallStub::Clear(heap, rinfo->pc());
     }
     MarkBit code_mark = Marking::MarkBitFrom(target);
     heap->mark_compact_collector()->MarkObject(target, code_mark);
 
     heap->mark_compact_collector()->RecordRelocSlot(rinfo, target);
   }
 
   static inline void VisitDebugTarget(Heap* heap, RelocInfo* rinfo) {
     ASSERT((RelocInfo::IsJSReturn(rinfo->rmode()) &&
             rinfo->IsPatchedReturnSequence()) ||
@@ skipping 2999 matching lines @@
   while (buffer != NULL) {
     SlotsBuffer* next_buffer = buffer->next();
     DeallocateBuffer(buffer);
     buffer = next_buffer;
   }
   *buffer_address = NULL;
 }
 
 
 } }  // namespace v8::internal