Index: src/code-stubs-hydrogen.cc |
diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc |
index 020514e08df1a225a231f6c82186be4d6f2324a2..c0e66bc0544550e83c45efb0d62285036e25e44a 100644 |
--- a/src/code-stubs-hydrogen.cc |
+++ b/src/code-stubs-hydrogen.cc |
@@ -1030,13 +1030,16 @@ HValue* CodeStubGraphBuilder<StoreGlobalStub>::BuildCodeInitializedStub() { |
Handle<PropertyCell> placeholder_cell = |
isolate()->factory()->NewPropertyCell(placeholer_value); |
- HParameter* receiver = GetParameter(0); |
HParameter* value = GetParameter(2); |
- // Check that the map of the global has not changed: use a placeholder map |
- // that will be replaced later with the global object's map. |
- Handle<Map> placeholder_map = isolate()->factory()->meta_map(); |
- Add<HCheckMaps>(receiver, placeholder_map, top_info()); |
+ if (stub->check_global()) { |
+ // Check that the map of the global has not changed: use a placeholder map |
+ // that will be replaced later with the global object's map. |
+ Handle<Map> placeholder_map = isolate()->factory()->meta_map(); |
+ HValue* global = Add<HConstant>( |
+ StoreGlobalStub::global_placeholder(isolate())); |
+ Add<HCheckMaps>(global, placeholder_map, top_info()); |
+ } |
HValue* cell = Add<HConstant>(placeholder_cell); |
HObjectAccess access(HObjectAccess::ForCellPayload(isolate())); |