From 4124c7a37b8aa1afd8cd9b503f2aa7c4d6bed467 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sun, 22 Sep 2013 15:02:02 +0000
Subject: [PATCH] Make sort predicate match the qsort convention.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191177 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/ReachableCode.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/Analysis/ReachableCode.cpp b/lib/Analysis/ReachableCode.cpp
index 61d521520e..a2d19c0508 100644
--- a/lib/Analysis/ReachableCode.cpp
+++ b/lib/Analysis/ReachableCode.cpp
@@ -112,7 +112,11 @@ const Stmt *DeadCodeScan::findDeadCode(const clang::CFGBlock *Block) {
 
 static int SrcCmp(const std::pair<const CFGBlock *, const Stmt *> *p1,
                   const std::pair<const CFGBlock *, const Stmt *> *p2) {
-  return p2->second->getLocStart() < p1->second->getLocStart();
+  if (p1->second->getLocStart() < p2->second->getLocStart())
+    return -1;
+  if (p2->second->getLocStart() < p1->second->getLocStart())
+    return 1;
+  return 0;
 }
 
 unsigned DeadCodeScan::scanBackwards(const clang::CFGBlock *Start,
-- 
2.40.0