From 4eb311f30c29c3a0acb570e20f08444213482f7a Mon Sep 17 00:00:00 2001
From: Makoto Kato <m_kato@ga2.so-net.ne.jp>
Date: Wed, 26 May 2010 09:58:38 -0400
Subject: [PATCH] bug 567937: bustage on x64 build due to jsnativestack.cpp.
 r=dvander

---
 js/src/jsnativestack.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/src/jsnativestack.cpp b/js/src/jsnativestack.cpp
index cd13317af10..4c88cf2bf0c 100644
--- a/js/src/jsnativestack.cpp
+++ b/js/src/jsnativestack.cpp
@@ -114,7 +114,7 @@ GetNativeStackBase()
 void *
 GetNativeStackBaseImpl()
 {
-# if defined(_WIN32) && defined(_MSC_VER)
+# if defined(_M_IX86) && defined(_MSC_VER)
     /*
      * offset 0x18 from the FS segment register gives a pointer to
      * the thread information block for the current thread
@@ -126,7 +126,7 @@ GetNativeStackBaseImpl()
     }
     return static_cast<void*>(pTib->StackBase);
 
-# elif defined(_WIN64) && defined(_MSC_VER)
+# elif defined(_M_X64) && defined(_MSC_VER)
     PNT_TIB64 pTib = reinterpret_cast<PNT_TIB64>(NtCurrentTeb());
     return reinterpret_cast<void*>(pTib->StackBase);