[ic] Let LoadGlobalIC load the variable name from TypeFeedbackMetadata.

src/code-stubs.cc

 // Copyright 2012 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/code-stubs.h"
 
 #include <sstream>
 
 #include "src/bootstrapper.h"
 #include "src/code-factory.h"
@@ skipping 430 matching lines @@
   Node* context = assembler->Parameter(4);
 
   CodeStubAssembler::LoadICParameters p(context, receiver, name, slot, vector);
   assembler->LoadIC(&p);
 }
 
 void LoadGlobalICTrampolineStub::GenerateAssembly(
     CodeStubAssembler* assembler) const {
   typedef compiler::Node Node;
 
-  Node* name = assembler->Parameter(0);
-  Node* slot = assembler->Parameter(1);
-  Node* context = assembler->Parameter(2);
+  Node* slot = assembler->Parameter(0);
+  Node* context = assembler->Parameter(1);
   Node* vector = assembler->LoadTypeFeedbackVectorForStub();
 
-  CodeStubAssembler::LoadICParameters p(context, nullptr, name, slot, vector);
+  CodeStubAssembler::LoadICParameters p(context, nullptr, nullptr, slot,
+                                        vector);
   assembler->LoadGlobalIC(&p);
 }
 
 void LoadGlobalICStub::GenerateAssembly(CodeStubAssembler* assembler) const {
   typedef compiler::Node Node;
 
-  Node* name = assembler->Parameter(0);
-  Node* slot = assembler->Parameter(1);
-  Node* vector = assembler->Parameter(2);
-  Node* context = assembler->Parameter(3);
+  Node* slot = assembler->Parameter(0);
+  Node* vector = assembler->Parameter(1);
+  Node* context = assembler->Parameter(2);
 
-  CodeStubAssembler::LoadICParameters p(context, nullptr, name, slot, vector);
+  CodeStubAssembler::LoadICParameters p(context, nullptr, nullptr, slot,
+                                        vector);
   assembler->LoadGlobalIC(&p);
 }
 
 void AllocateHeapNumberStub::GenerateAssembly(
     CodeStubAssembler* assembler) const {
   typedef compiler::Node Node;
 
   Node* result = assembler->AllocateHeapNumber();
   assembler->Return(result);
 }
@@ skipping 4251 matching lines @@
   if (type->Is(Type::UntaggedPointer())) {
     return Representation::External();
   }
 
   DCHECK(!type->Is(Type::Untagged()));
   return Representation::Tagged();
 }
 
 }  // namespace internal
 }  // namespace v8