1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/include/llvm/CodeGen/ScheduleDAG.h b/llvm/include/llvm/CodeGen/ScheduleDAG.h
index 2f01948568b..0657664b184 100644
--- a/llvm/include/llvm/CodeGen/ScheduleDAG.h
+++ b/llvm/include/llvm/CodeGen/ScheduleDAG.h
@@ -497,6 +497,12 @@ namespace llvm {
     SUnit EntrySU;                        // Special node for the region entry.
     SUnit ExitSU;                         // Special node for the region exit.
 
+#ifdef NDEBUG
+    static const bool StressSched = false;
+#else
+    bool StressSched;
+#endif
+
     explicit ScheduleDAG(MachineFunction &mf);
 
     virtual ~ScheduleDAG();