diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp index c9aa18a342..ad8ed5aaf9 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp @@ -356,6 +356,7 @@ public: } SUnit *pop() { + if (empty()) return NULL; SUnit *V = Queue.top(); Queue.pop(); return V; |