diff --git a/llvm/lib/CodeGen/InstrSched/InstrScheduling.cpp b/llvm/lib/CodeGen/InstrSched/InstrScheduling.cpp
index 5395a81..6306269 100644
--- a/llvm/lib/CodeGen/InstrSched/InstrScheduling.cpp
+++ b/llvm/lib/CodeGen/InstrSched/InstrScheduling.cpp
@@ -648,7 +648,8 @@
   
   // Remove all except the dummy PHI instructions from MBB, and
   // pre-allocate create space for the ones we will put back in.
-  while (I != MBB.end()) MBB.remove(I);
+  while (I != MBB.end())
+    MBB.remove(I++);
   
   InstrSchedule::const_iterator NIend = S.isched.end();
   for (InstrSchedule::const_iterator NI = S.isched.begin(); NI != NIend; ++NI)