Tentative fix for overly clever Mac compiler.

src/ia32/stub-cache-ia32.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 2863 matching lines @@
 
   // Check that the maps haven't changed.
   __ JumpIfSmi(edx, &miss);
   CheckPrototypes(receiver, edx, holder, ebx, eax, edi, name, &miss);
 
   {
     FrameScope scope(masm(), StackFrame::INTERNAL);
 
     // Call the JavaScript getter with the receiver on the stack.
     __ push(edx);
-    __ InvokeFunction(getter, ParameterCount(0), CALL_FUNCTION,
-                      NullCallWrapper(), CALL_AS_METHOD);
+    ParameterCount actual(0);
+    __ InvokeFunction(getter, actual, CALL_FUNCTION, NullCallWrapper(),
+                      CALL_AS_METHOD);
 
     // Restore context register.
     __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
   }
   __ ret(0);
 
   __ bind(&miss);
   GenerateLoadMiss(masm(), Code::LOAD_IC);
 
   // Return the generated code.
@@ skipping 1295 matching lines @@
     __ jmp(ic_slow, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32