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misched: Recompute priority queue when DFSResults are updated.
This was found by MSVC10's STL debug mode on a test from the test suite. Sadly std::is_heap isn't standard so there is no way to assert this without writing our own heap verify, which looks like overkill to me. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168885 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -2117,6 +2117,8 @@ public:
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virtual void registerRoots() {
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DFSResult.compute(ReadyQ);
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ScheduledTrees.resize(DFSResult.getNumSubtrees());
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// Restore the heap in ReadyQ with the updated DFS results.
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std::make_heap(ReadyQ.begin(), ReadyQ.end(), Cmp);
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}
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/// Implement MachineSchedStrategy interface.
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