X64: Fix bad value in stack layout constants.

src/x64/frames-x64.h

Index: src/x64/frames-x64.h
diff --git a/src/x64/frames-x64.h b/src/x64/frames-x64.h
index d4ab2c62e7c7131171153410e5978689de1989ea..24c78da99e251029c0483484cb2575fd80276bae 100644
--- a/src/x64/frames-x64.h
+++ b/src/x64/frames-x64.h
@@ -59,12 +59,7 @@ class StackHandlerConstants : public AllStatic {
 
 class EntryFrameConstants : public AllStatic {
  public:
-  static const int kCallerFPOffset      = -6 * kPointerSize;
-
-  static const int kFunctionArgOffset   = +3 * kPointerSize;
-  static const int kReceiverArgOffset   = +4 * kPointerSize;
-  static const int kArgcOffset          = +5 * kPointerSize;
-  static const int kArgvOffset          = +6 * kPointerSize;
+  static const int kCallerFPOffset      = -10 * kPointerSize;
 };