================
@@ -729,9 +735,15 @@ static mlir::ParseResult parseCallCommon(mlir::OpAsmParser
&parser,
if (parser.parseRParen())
return mlir::failure();
- if (parser.parseOptionalKeyword("nothrow").succeeded())
+ llvm::SMLoc optionalNothrowLoc = parser.getCurrentLocation();
+ if (parser.parseOptionalKeyword("nothrow").succeeded()) {
+ if (hasExceptions)
+ return parser.emitError(
+ optionalNothrowLoc,
+ "should have either `exception` or `nothrow`, but not both");
----------------
andykaylor wrote:
It's not clear to me why we need both of these. Can we not just assume that the
absence of 'nothrow' means 'maythrow'?
https://github.com/llvm/llvm-project/pull/164964
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