Fix a build for Win64 with VS2008.

test/cctest/test-log-stack-tracer.cc

 // Copyright 2010 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 223 matching lines @@
 static v8::Handle<Value> construct_call(const v8::Arguments& args) {
   i::StackFrameIterator frame_iterator;
   CHECK(frame_iterator.frame()->is_exit());
   frame_iterator.Advance();
   CHECK(frame_iterator.frame()->is_construct());
   frame_iterator.Advance();
   i::StackFrame* calling_frame = frame_iterator.frame();
   CHECK(calling_frame->is_java_script());
 
 #if defined(V8_HOST_ARCH_32_BIT)
-  int32_t low_bits = reinterpret_cast<intptr_t>(calling_frame->fp());
+  int32_t low_bits = reinterpret_cast<int32_t>(calling_frame->fp());
   args.This()->Set(v8_str("low_bits"), v8_num(low_bits >> 1));
 #elif defined(V8_HOST_ARCH_64_BIT)
-  int32_t low_bits = reinterpret_cast<uintptr_t>(calling_frame->fp());
-  int32_t high_bits = reinterpret_cast<uintptr_t>(calling_frame->fp()) >> 32;
+  uint64_t fp = reinterpret_cast<uint64_t>(calling_frame->fp());
+  int32_t low_bits = fp & 0xffffffff;
+  int32_t high_bits = fp >> 32;
   args.This()->Set(v8_str("low_bits"), v8_num(low_bits));
   args.This()->Set(v8_str("high_bits"), v8_num(high_bits));
 #else
 #error Host architecture is neither 32-bit nor 64-bit.
 #endif
   return args.This();
 }
 
 
 // Use the API to create a JSFunction object that calls the above C++ function.
@@ skipping 154 matching lines @@
   CHECK_EQ(0, GetJsEntrySp());
   CompileRun("a = 1; b = a + 1;");
   CHECK_EQ(0, GetJsEntrySp());
   CompileRun("js_entry_sp();");
   CHECK_EQ(0, GetJsEntrySp());
   CompileRun("js_entry_sp_level2();");
   CHECK_EQ(0, GetJsEntrySp());
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING