Module::ModFlagBehavior MFB;
if (!Module::isValidModFlagBehavior(Op->getOperand(0), MFB)) {
Assert1(
- mdconst::dyn_extract<ConstantInt>(Op->getOperand(0)),
+ mdconst::dyn_extract_or_null<ConstantInt>(Op->getOperand(0)),
"invalid behavior operand in module flag (expected constant integer)",
Op->getOperand(0));
Assert1(false,