[runtime] Rename {JSGeneratorObject::operand_stack} field.

src/interpreter/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/interpreter/interpreter.h"
 
 #include <fstream>
 #include <memory>
 
 #include "src/ast/prettyprinter.h"
@@ skipping 2708 matching lines @@
       ExternalReference::debug_last_step_action_address(isolate_));
   Node* step_action = __ Load(MachineType::Int8(), step_action_address);
   STATIC_ASSERT(StepIn > StepNext);
   STATIC_ASSERT(StepFrame > StepNext);
   STATIC_ASSERT(LastStepAction == StepFrame);
   Node* step_next = __ Int32Constant(StepNext);
   __ Branch(__ Int32LessThanOrEqual(step_next, step_action), &if_stepping, &ok);
   __ Bind(&ok);
 
   Node* array =
-      __ LoadObjectField(generator, JSGeneratorObject::kOperandStackOffset);
+      __ LoadObjectField(generator, JSGeneratorObject::kRegisterFileOffset);
   Node* context = __ GetContext();
   Node* state = __ GetAccumulator();
 
   __ ExportRegisterFile(array);
   __ StoreObjectField(generator, JSGeneratorObject::kContextOffset, context);
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset, state);
 
   Node* offset = __ SmiTag(__ BytecodeOffset());
   __ StoreObjectField(generator, JSGeneratorObject::kInputOrDebugPosOffset,
                       offset);
@@ skipping 11 matching lines @@
 // ResumeGenerator <generator>
 //
 // Imports the register file stored in the generator. Also loads the
 // generator's state and stores it in the accumulator, before overwriting it
 // with kGeneratorExecuting.
 void Interpreter::DoResumeGenerator(InterpreterAssembler* assembler) {
   Node* generator_reg = __ BytecodeOperandReg(0);
   Node* generator = __ LoadRegister(generator_reg);
 
   __ ImportRegisterFile(
-      __ LoadObjectField(generator, JSGeneratorObject::kOperandStackOffset));
+      __ LoadObjectField(generator, JSGeneratorObject::kRegisterFileOffset));
 
   Node* old_state =
       __ LoadObjectField(generator, JSGeneratorObject::kContinuationOffset);
   Node* new_state = __ Int32Constant(JSGeneratorObject::kGeneratorExecuting);
   __ StoreObjectField(generator, JSGeneratorObject::kContinuationOffset,
       __ SmiTag(new_state));
   __ SetAccumulator(old_state);
 
   __ Dispatch();
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8