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-rw-r--r--lib/CodeGen/SelectionDAG/DAGCombiner.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 38171dff75..581d6ee042 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -592,6 +592,7 @@ void DAGCombiner::Run(bool RunningAfterLegalize) {
AfterLegalize = RunningAfterLegalize;
// Add all the dag nodes to the worklist.
+ WorkList.reserve(DAG.allnodes_size());
for (SelectionDAG::allnodes_iterator I = DAG.allnodes_begin(),
E = DAG.allnodes_end(); I != E; ++I)
WorkList.push_back(I);