[Interpreter] Remove register file register and replace with LoadParentFramePointer.

src/frames.cc

Index: src/frames.cc
diff --git a/src/frames.cc b/src/frames.cc
index 6f5176261b3881565bf5b8631c8bfd82deadb5d6..8867a2027fad3469ee2cbb2f04d15052f430c03f 100644
--- a/src/frames.cc
+++ b/src/frames.cc
@@ -1253,7 +1253,7 @@ void InterpretedFrame::PatchBytecodeArray(BytecodeArray* bytecode_array) {
 Object* InterpretedFrame::ReadInterpreterRegister(int register_index) const {
   const int index = InterpreterFrameConstants::kRegisterFileExpressionIndex;
   DCHECK_EQ(
-      InterpreterFrameConstants::kRegisterFilePointerFromFp,
+      InterpreterFrameConstants::kRegisterFileFromFp,
       InterpreterFrameConstants::kExpressionsOffset - index * kPointerSize);
   return GetExpression(index + register_index);
 }
@@ -1262,7 +1262,7 @@ void InterpretedFrame::WriteInterpreterRegister(int register_index,
                                                 Object* value) {
   const int index = InterpreterFrameConstants::kRegisterFileExpressionIndex;
   DCHECK_EQ(
-      InterpreterFrameConstants::kRegisterFilePointerFromFp,
+      InterpreterFrameConstants::kRegisterFileFromFp,
       InterpreterFrameConstants::kExpressionsOffset - index * kPointerSize);
   return SetExpression(index + register_index, value);
 }