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

src/interface-descriptors.h

 // Copyright 2014 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.
 
 #ifndef V8_CALL_INTERFACE_DESCRIPTOR_H_
 #define V8_CALL_INTERFACE_DESCRIPTOR_H_
 
 #include "src/assembler.h"
 #include "src/macro-assembler.h"
 
@@ skipping 356 matching lines @@
   static const Register ReceiverRegister();
   static const Register NameRegister();
   static const Register SlotRegister();
 };
 
 class LoadGlobalDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(LoadGlobalDescriptor,
                                                CallInterfaceDescriptor)
 
-  enum ParameterIndices { kNameIndex, kSlotIndex };
+  enum ParameterIndices { kSlotIndex };
 };
 
 class LoadGlobalWithVectorDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR_WITH_CUSTOM_FUNCTION_TYPE(LoadGlobalWithVectorDescriptor,
                                                CallInterfaceDescriptor)
 
-  enum ParameterIndices { kNameIndex, kSlotIndex, kVectorIndex };
+  enum ParameterIndices { kSlotIndex, kVectorIndex };
 };
 
 class StoreDescriptor : public CallInterfaceDescriptor {
  public:
   DECLARE_DESCRIPTOR(StoreDescriptor, CallInterfaceDescriptor)
 
   enum ParameterIndices {
     kReceiverIndex,
     kNameIndex,
     kValueIndex,
@@ skipping 536 matching lines @@
 }  // namespace v8
 
 
 #if V8_TARGET_ARCH_ARM64
 #include "src/arm64/interface-descriptors-arm64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "src/arm/interface-descriptors-arm.h"
 #endif
 
 #endif  // V8_CALL_INTERFACE_DESCRIPTOR_H_