Ensure we can reliably check the cell for validity of global property

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 2ae4ba7085e37e1a10b3c0a73acd623034324ac5..e432c3adf9fda48485dec042d6a9472a1a408195 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -1120,21 +1120,11 @@ class StoreGlobalStub : public HandlerStub {
     return isolate->factory()->uninitialized_value();
   }
 
-  Handle<Code> GetCodeCopyFromTemplate(Handle<GlobalObject> global,
-                                       Handle<PropertyCell> cell) {
-    if (check_global()) {
-      Code::FindAndReplacePattern pattern;
-      pattern.Add(isolate()->factory()->meta_map(),
-                  Map::WeakCellForMap(Handle<Map>(global->map())));
-      pattern.Add(Handle<Map>(property_cell_placeholder(isolate())->map()),
-                  isolate()->factory()->NewWeakCell(cell));
-      return CodeStub::GetCodeCopy(pattern);
-    } else {
-      Code::FindAndReplacePattern pattern;
-      pattern.Add(Handle<Map>(property_cell_placeholder(isolate())->map()),
-                  isolate()->factory()->NewWeakCell(cell));
-      return CodeStub::GetCodeCopy(pattern);
-    }
+  Handle<Code> GetCodeCopyFromTemplate(Handle<PropertyCell> cell) {
+    Code::FindAndReplacePattern pattern;
+    pattern.Add(Handle<Map>(property_cell_placeholder(isolate())->map()),
+                isolate()->factory()->NewWeakCell(cell));
+    return CodeStub::GetCodeCopy(pattern);
   }
 
   Code::Kind kind() const OVERRIDE { return Code::STORE_IC; }