Remove support for "loads and stores to global vars through property cell shortcuts inst…

test/unittests/compiler/js-type-feedback-unittest.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler.h"
 
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/js-type-feedback.h"
@@ skipping 63 matching lines @@
         isolate()->factory()->NewStringFromAsciiChecked(string);
     MaybeHandle<Object> result =
         JSReceiver::SetProperty(global, name, value, SLOPPY);
     result.Assert();
   }
 
   Node* ReturnLoadNamedFromGlobal(
       const char* string, Node* effect, Node* control,
       JSTypeFeedbackSpecializer::DeoptimizationMode mode) {
     VectorSlotPair feedback;
-    Node* global = UndefinedConstant();
     Node* vector = UndefinedConstant();
     Node* context = UndefinedConstant();
 
     Handle<Name> name = isolate()->factory()->InternalizeUtf8String(string);
     const Operator* op = javascript()->LoadGlobal(name, feedback);
-    Node* load =
-        graph()->NewNode(op, context, global, vector, context,
-                         EmptyFrameState(), EmptyFrameState(), effect, control);
+    Node* load = graph()->NewNode(op, vector, context, EmptyFrameState(),
+                                  EmptyFrameState(), effect, control);
     Node* if_success = graph()->NewNode(common()->IfSuccess(), load);
     return graph()->NewNode(common()->Return(), load, load, if_success);
   }
 
   CompilationDependencies* dependencies() { return &dependencies_; }
 
  private:
   JSOperatorBuilder javascript_;
   CompilationDependencies dependencies_;
 };
@@ skipping 226 matching lines @@
               IsReturn(load_field_match, load_field_match, graph()->start()));
   EXPECT_THAT(graph()->end(), IsEnd(ret));
 
   EXPECT_FALSE(dependencies()->IsEmpty());
   dependencies()->Rollback();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8