Support inlining at call-sites with mismatched number of arguments.

src/arm/frames-arm.h

Index: src/arm/frames-arm.h
diff --git a/src/arm/frames-arm.h b/src/arm/frames-arm.h
index 1844149861be4df2931946b4ffd497913bda202d..1f291df62b454dbd0be74641701744114d30c0ba 100644
--- a/src/arm/frames-arm.h
+++ b/src/arm/frames-arm.h
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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:
@@ -136,6 +136,7 @@ class ExitFrameConstants : public AllStatic {
 
 class StandardFrameConstants : public AllStatic {
  public:
+  static const int kFixedFrameSize    = 4;
   static const int kExpressionsOffset = -3 * kPointerSize;
   static const int kMarkerOffset      = -2 * kPointerSize;
   static const int kContextOffset     = -1 * kPointerSize;