[arm64] Use SP-offset rather than FP-offset.

src/compiler/frame.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/compiler/frame.h"
 
 #include "src/compiler/linkage.h"
 #include "src/compiler/register-allocator.h"
 #include "src/macro-assembler.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 Frame::Frame(int fixed_frame_size_in_slots)
     : frame_slot_count_(fixed_frame_size_in_slots),
-      spilled_callee_register_slot_count_(0),
-      stack_slot_count_(0),
+      outgoing_parameter_slot_count_(0),
+      callee_saved_slot_count_(0),
+      spill_slot_count_(0),
       allocated_registers_(NULL),
       allocated_double_registers_(NULL) {}
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8