Index: lib/Target/AArch64/AArch64ISelLowering.cpp
===================================================================
--- lib/Target/AArch64/AArch64ISelLowering.cpp
+++ lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -3988,9 +3988,8 @@
 
   // Optimize {s|u}{add|sub|mul}.with.overflow feeding into a branch
   // instruction.
-  if (isOverflowIntrOpRes(LHS) && isOneConstant(RHS)) {
-    assert((CC == ISD::SETEQ || CC == ISD::SETNE) &&
-           "Unexpected condition code.");
+  if (isOverflowIntrOpRes(LHS) && isOneConstant(RHS) &&
+      (CC == ISD::SETEQ || CC == ISD::SETNE)) {
     // Only lower legal XALUO ops.
     if (!DAG.getTargetLoweringInfo().isTypeLegal(LHS->getValueType(0)))
       return SDValue();