From 8ad22e6a5cb2c1a6e21e67c480ec54e42664f6ef Mon Sep 17 00:00:00 2001
From: David Blaikie <dblaikie@gmail.com>
Date: Thu, 1 May 2014 23:01:41 +0000
Subject: [PATCH] Use std::abs(int) portably.

Code review feedback from Reid Kleckner on r207806.

llvm-svn: 207811
---
 clang/lib/Sema/SemaOverload.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/clang/lib/Sema/SemaOverload.cpp b/clang/lib/Sema/SemaOverload.cpp
index 665ea4093cf7..c74319ac63d6 100644
--- a/clang/lib/Sema/SemaOverload.cpp
+++ b/clang/lib/Sema/SemaOverload.cpp
@@ -33,6 +33,7 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallString.h"
 #include <algorithm>
+#include <cstdlib>
 
 namespace clang {
 using namespace sema;
@@ -9260,8 +9261,8 @@ struct CompareOverloadCandidatesForDisplay {
           L->FailureKind == ovl_fail_too_few_arguments) {
         if (R->FailureKind == ovl_fail_too_many_arguments ||
             R->FailureKind == ovl_fail_too_few_arguments) {
-          int LDist = abs((int)L->Function->getNumParams() - (int)NumArgs);
-          int RDist = abs((int)R->Function->getNumParams() - (int)NumArgs);
+          int LDist = std::abs((int)L->Function->getNumParams() - (int)NumArgs);
+          int RDist = std::abs((int)R->Function->getNumParams() - (int)NumArgs);
           if (LDist == RDist)
             return L->FailureKind == ovl_fail_too_many_arguments &&
                    R->FailureKind == ovl_fail_too_few_arguments;