Fix issue 553: function frame is skipped in profile when compare stub is called.

src/platform-macos.cc

 // 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 541 matching lines @@
 #define REGISTER_FIELD(name) e ## name
 #endif  // __DARWIN_UNIX03
 #else
 #error Unsupported Mac OS X host architecture.
 #endif  // V8_HOST_ARCH
 
         if (thread_get_state(profiled_thread_,
                              flavor,
                              reinterpret_cast<natural_t*>(&state),
                              &count) == KERN_SUCCESS) {
-          sample.pc = state.REGISTER_FIELD(ip);
-          sample.sp = state.REGISTER_FIELD(sp);
-          sample.fp = state.REGISTER_FIELD(bp);
+          sample.pc = reinterpret_cast<Address>(state.REGISTER_FIELD(ip));
+          sample.sp = reinterpret_cast<Address>(state.REGISTER_FIELD(sp));
+          sample.fp = reinterpret_cast<Address>(state.REGISTER_FIELD(bp));
           sampler_->SampleStack(&sample);
         }
         thread_resume(profiled_thread_);
       }
 
       // We always sample the VM state.
       sample.state = Logger::state();
       // Invoke tick handler with program counter and stack pointer.
       sampler_->Tick(&sample);
 
@@ skipping 59 matching lines @@
 
   // Deallocate Mach port for thread.
   if (IsProfiling()) {
     mach_port_deallocate(data_->task_self_, data_->profiled_thread_);
   }
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal