Fixed non-const iterator error.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index 6b2e5c0..6629b38 100644
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -204,7 +204,7 @@
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);