================
@@ -2156,6 +2156,24 @@ static ExprResult PointerAuthAuthAndResign(Sema &S,
CallExpr *Call) {
return Call;
}
+static ExprResult PointerAuthStringDiscriminator(Sema &S, CallExpr *call) {
+ if (checkPointerAuthEnabled(S, call)) return ExprError();
+
+ // We've already performed normal call type-checking.
+ Expr *arg = call->getArgs()[0]->IgnoreParenImpCasts();
+
+ // Operand must be an ordinary or UTF-8 string literal.
+ auto literal = dyn_cast<StringLiteral>(arg);
+ if (!literal || literal->getCharByteWidth() != 1) {
----------------
asl wrote:
```suggestion
if (!Literal || Literal->getCharByteWidth() != 1) {
```
https://github.com/llvm/llvm-project/pull/93903
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