Stop adapting the arguments passed to the builtin implementations...

src/builtins.h

 // Copyright 2006-2008 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 20 matching lines @@
 namespace v8 { namespace internal {
 
 // Define list of builtins implemented in C.
 #define BUILTIN_LIST_C(V)                          \
   V(Illegal, 0)                                    \
                                                    \
   V(EmptyFunction, 0)                              \
                                                    \
   V(ArrayCode, 0)                                  \
                                                    \
-  V(ArrayPush, 1)                                  \
-  V(ArrayPop, 0)                                   \
+  V(ArrayPush, -1)                                 \
+  V(ArrayPop, -1)                                  \
                                                    \
   V(HandleApiCall, 0)                              \
   V(HandleApiCallAsFunction, 0)
 
 
 // Define list of builtins implemented in assembly.
 #define BUILTIN_LIST_A(V)                                      \
   V(ArgumentsAdaptorTrampoline, BUILTIN, UNINITIALIZED)        \
   V(JSConstructCall,            BUILTIN, UNINITIALIZED)        \
   V(JSEntryTrampoline,          BUILTIN, UNINITIALIZED)        \
@@ skipping 174 matching lines @@
   static void Generate_KeyedStoreIC_DebugBreak(MacroAssembler* masm);
   static void Generate_ConstructCall_DebugBreak(MacroAssembler* masm);
   static void Generate_Return_DebugBreak(MacroAssembler* masm);
   static void Generate_Return_DebugBreakEntry(MacroAssembler* masm);
   static void Generate_StubNoRegisters_DebugBreak(MacroAssembler* masm);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_BUILTINS_H_