A64: Synchronize with r15922.

src/lithium.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 255 matching lines @@
 }
 
 
 int StackSlotOffset(int index) {
   if (index >= 0) {
     // Local or spill slot. Skip the frame pointer, function, and
     // context in the fixed part of the frame.
     return -(index + 3) * kPointerSize;
   } else {
     // Incoming parameter. Skip the return address.
-    return -(index - 1) * kPointerSize;
+    return -(index + 1) * kPointerSize + kFPOnStackSize + kPCOnStackSize;
   }
 }
 
 
 LChunk::LChunk(CompilationInfo* info, HGraph* graph)
     : spill_slot_count_(0),
       info_(info),
       graph_(graph),
       instructions_(32, graph->zone()),
       pointer_maps_(8, graph->zone()),
@@ skipping 209 matching lines @@
 
 
 LPhase::~LPhase() {
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceLithium(name(), chunk_);
   }
 }
 
 
 } }  // namespace v8::internal