From 08e712b9ff4ab1aa560357e780ecf3e366b3178b Mon Sep 17 00:00:00 2001
From: "Michael J. Spencer" <bigcheesegs@gmail.com>
Date: Thu, 1 Nov 2012 00:34:09 +0000
Subject: [PATCH] [Support] Fix StrError on Windows to actually return the
 error string...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167191 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/Errno.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Support/Errno.cpp b/lib/Support/Errno.cpp
index 00be43b7503..730220f47d9 100644
--- a/lib/Support/Errno.cpp
+++ b/lib/Support/Errno.cpp
@@ -53,8 +53,10 @@ std::string StrError(int errnum) {
     str = buffer;
 # endif
 #elif HAVE_DECL_STRERROR_S // "Windows Secure API"
-    if (errnum)
+    if (errnum) {
       strerror_s(buffer, MaxErrStrLen - 1, errnum);
+      str = buffer;
+    }
 #elif defined(HAVE_STRERROR)
   // Copy the thread un-safe result of strerror into
   // the buffer as fast as possible to minimize impact