From 481630dee5f221c04bb26fe12f0887b4f25f8455 Mon Sep 17 00:00:00 2001
From: Lang Hames <lhames@gmail.com>
Date: Sat, 18 Sep 2010 09:49:08 +0000
Subject: [PATCH] Fixed non-const iterator error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114273 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/RegAllocPBQP.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index 6b2e5c04807..6629b38fb75 100644
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -204,7 +204,7 @@ std::auto_ptr<PBQPRAProblem> PBQPBuilder::build(
     addSpillCosts(g.getNodeCosts(node), spillCost);
   }
 
-  for (RegSet::iterator vr1Itr = vregs.begin(), vrEnd = vregs.end();
+  for (RegSet::const_iterator vr1Itr = vregs.begin(), vrEnd = vregs.end();
          vr1Itr != vrEnd; ++vr1Itr) {
     unsigned vr1 = *vr1Itr;
     const LiveInterval &l1 = lis->getInterval(vr1);
-- 
2.34.1