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(parent: 85ede37) | patch
When a priority_queue is empty, the behavior of top() operator is
authorEvan Cheng <evan.cheng@apple.com>
Tue, 30 May 2006 18:04:34 +0000 (18:04 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Tue, 30 May 2006 18:04:34 +0000 (18:04 +0000)
commit19564e3d83c9c3cdf908005c91bad13d26b5cedf
treea11b72d7103a615413795d5a724b0a41c3f66afetree | snapshot
parent85ede37ca90b5d1846f37631ed2e8b8f96000db8commit | diff
When a priority_queue is empty, the behavior of top() operator is
non-deterministic. Returns NULL when it's empty!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28560 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors