From 87d0b9ed1462705dd9bf1cb7f67d0bf03af776c8 Mon Sep 17 00:00:00 2001
From: Guy Benyei <guy.benyei@intel.com>
Date: Tue, 12 Feb 2013 21:21:59 +0000
Subject: Add static cast to unsigned char whenever a character classification
 function is called with a signed char argument, in order to avoid assertions
 in Windows Debug configuration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175006 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/PathV2.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lib/Support/PathV2.cpp')

diff --git a/lib/Support/PathV2.cpp b/lib/Support/PathV2.cpp
index 98d7382b4e..41add96194 100644
--- a/lib/Support/PathV2.cpp
+++ b/lib/Support/PathV2.cpp
@@ -44,7 +44,8 @@ namespace {
 
 #ifdef LLVM_ON_WIN32
     // C:
-    if (path.size() >= 2 && std::isalpha(path[0]) && path[1] == ':')
+    if (path.size() >= 2 && std::isalpha(static_cast<unsigned char>(path[0])) &&
+        path[1] == ':')
       return path.substr(0, 2);
 #endif
 
-- 
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