Unbreak msvc build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114284 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index 6629b38fb75154d7d9b6edd7fd75e2bf8cb7e562..f79cadef49f0421b2bee47b96a74800881c586ea 100644 (file)
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -210,7 +210,7 @@ std::auto_ptr<PBQPRAProblem> PBQPBuilder::build(
     const LiveInterval &l1 = lis->getInterval(vr1);
     const PBQPRAProblem::AllowedSet &vr1Allowed = p->getAllowedSet(vr1);
 
-    for (RegSet::iterator vr2Itr = llvm::next(vr1Itr);
+    for (RegSet::const_iterator vr2Itr = llvm::next(vr1Itr);
          vr2Itr != vrEnd; ++vr2Itr) {
       unsigned vr2 = *vr2Itr;
       const LiveInterval &l2 = lis->getInterval(vr2);