Fix typo

Author: wzssyqa

llvm/lib/IR/IRBuilder.cpp

@@ -1083,7 +1083,7 @@ CallInst *IRBuilderBase::CreateConstrainedFPCall(
     Function *Callee, ArrayRef<Value *> Args, const Twine &Name,
     std::optional<RoundingMode> Rounding,
     std::optional<fp::ExceptionBehavior> Except, FastMathFlags *FMF) {
-  llvm::SmallVector<Value *, 6> UseArgs;
+  llvm::SmallVector<Value *, 6> UseArgs(Args);
 
   if (Intrinsic::hasConstrainedFPRoundingModeOperand(Callee->getIntrinsicID()))
     UseArgs.push_back(getConstrainedFPRounding(Rounding));