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

src/platform-win32.cc

Index: src/platform-win32.cc
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index 1be4b77f8a9f30de2f9a40e396a40a8fd398a994..81b0d4c12e0585de4fb2dcc9a8faf38d582c0461 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -1813,13 +1813,13 @@ class Sampler::PlatformData : public Malloced {
         context.ContextFlags = CONTEXT_FULL;
         if (GetThreadContext(profiled_thread_, &context) != 0) {
 #if V8_HOST_ARCH_X64
-          sample.pc = context.Rip;
-          sample.sp = context.Rsp;
-          sample.fp = context.Rbp;
+          sample.pc = reinterpret_cast<Address>(context.Rip);
+          sample.sp = reinterpret_cast<Address>(context.Rsp);
+          sample.fp = reinterpret_cast<Address>(context.Rbp);
 #else
-          sample.pc = context.Eip;
-          sample.sp = context.Esp;
-          sample.fp = context.Ebp;
+          sample.pc = reinterpret_cast<Address>(context.Eip);
+          sample.sp = reinterpret_cast<Address>(context.Esp);
+          sample.fp = reinterpret_cast<Address>(context.Ebp);
 #endif
           sampler_->SampleStack(&sample);
         }