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

src/ia32/frames-ia32.h

Index: src/ia32/frames-ia32.h
diff --git a/src/ia32/frames-ia32.h b/src/ia32/frames-ia32.h
index 45b847aec4d11f07de679011f96b8e69c54eaf15..80e3bfb52610661925fe33ac194522ce4aa25a4c 100644
--- a/src/ia32/frames-ia32.h
+++ b/src/ia32/frames-ia32.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:
@@ -97,7 +97,7 @@ class StandardFrameConstants : public AllStatic {
  public:
   // StandardFrame::IterateExpressions assumes that kContextOffset is the last
   // object pointer.
-  static const int kFixedFrameSize    =  4;  // Currently unused.
+  static const int kFixedFrameSize    =  4;

[Kevin Millikin (Chromium), 2012/01/24 00:08:54]

Currently unused, nice.  Maybe a comment is needed here that we're counting the
marker, context, caller fp, and caller pc as the fixed fields.

[Vyacheslav Egorov (Chromium), 2012/01/24 08:49:20]

Done.

   static const int kExpressionsOffset = -3 * kPointerSize;
   static const int kMarkerOffset      = -2 * kPointerSize;
   static const int kContextOffset     = -1 * kPointerSize;