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-rw-r--r--lib/CodeGen/MachineScheduler.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index e27bb0dd1b..b3e38f64ff 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -2117,6 +2117,8 @@ public:
virtual void registerRoots() {
DFSResult.compute(ReadyQ);
ScheduledTrees.resize(DFSResult.getNumSubtrees());
+ // Restore the heap in ReadyQ with the updated DFS results.
+ std::make_heap(ReadyQ.begin(), ReadyQ.end(), Cmp);
}
/// Implement MachineSchedStrategy interface.