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

src/code-stub-assembler.cc

 // Copyright 2016 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-stub-assembler.h"
 #include "src/code-factory.h"
 #include "src/frames-inl.h"
 #include "src/frames.h"
 #include "src/ic/stub-cache.h"
 
@@ skipping 2332 matching lines @@
         LoadFixedArrayElement(p->vector, p->slot, kPointerSize, SMI_PARAMETERS);
     GotoIf(WordEqual(handler, LoadRoot(Heap::kuninitialized_symbolRootIndex)),
            &miss);
 
     // In this case {handler} must be a Code object.
     AssertInstanceType(handler, CODE_TYPE);
     LoadWithVectorDescriptor descriptor(isolate());
     Node* native_context = LoadNativeContext(p->context);
     Node* receiver = LoadFixedArrayElement(
         native_context, Int32Constant(Context::EXTENSION_INDEX));
-    TailCallStub(descriptor, handler, p->context, receiver, p->name, p->slot,
+    Node* fake_name = IntPtrConstant(0);
+    TailCallStub(descriptor, handler, p->context, receiver, fake_name, p->slot,
                  p->vector);
   }
   Bind(&miss);
   {
-    TailCallRuntime(Runtime::kLoadGlobalIC_Miss, p->context, p->name, p->slot,
+    TailCallRuntime(Runtime::kLoadGlobalIC_Miss, p->context, p->slot,
                     p->vector);
   }
 }
 
 }  // namespace internal
 }  // namespace v8