[FeedbackVector] Clarify the way the feedback vector is installed.

src/runtime/runtime-interpreter.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/runtime/runtime-utils.h"
 
 #include <iomanip>
 
 #include "src/arguments.h"
 #include "src/frames-inl.h"
@@ skipping 10 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_InterpreterNewClosure) {
   HandleScope scope(isolate);
   DCHECK_EQ(4, args.length());
   CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0);
   CONVERT_ARG_HANDLE_CHECKED(FeedbackVector, vector, 1);
   CONVERT_SMI_ARG_CHECKED(index, 2);
   CONVERT_SMI_ARG_CHECKED(pretenured_flag, 3);
   Handle<Context> context(isolate->context(), isolate);
   FeedbackSlot slot = FeedbackVector::ToSlot(index);
-  Handle<Cell> literals(Cell::cast(vector->Get(slot)), isolate);
+  Handle<Cell> vector_cell(Cell::cast(vector->Get(slot)), isolate);
   return *isolate->factory()->NewFunctionFromSharedFunctionInfo(
-      shared, context, literals, static_cast<PretenureFlag>(pretenured_flag));
+      shared, context, vector_cell,
+      static_cast<PretenureFlag>(pretenured_flag));
 }
 
 namespace {
 
 void AdvanceToOffsetForTracing(
     interpreter::BytecodeArrayIterator& bytecode_iterator, int offset) {
   while (bytecode_iterator.current_offset() +
              bytecode_iterator.current_bytecode_size() <=
          offset) {
     bytecode_iterator.Advance();
@@ skipping 124 matching lines @@
   int offset = bytecode_offset - BytecodeArray::kHeaderSize + kHeapObjectTag;
   while (it.current_offset() < offset) it.Advance();
   DCHECK_EQ(offset, it.current_offset());
   it.Advance();  // Advance by one bytecode.
   offset = it.current_offset() + BytecodeArray::kHeaderSize - kHeapObjectTag;
   return Smi::FromInt(offset);
 }
 
 }  // namespace internal
 }  // namespace v8