================
@@ -738,16 +738,47 @@ Parser::DeclGroupPtrTy Parser::ParseUsingDeclaration(
return nullptr;
}
- if (!Tok.is(tok::identifier)) {
+ Decl *UED = nullptr;
+
+ if (Tok.is(tok::identifier)) {
----------------
cor3ntin wrote:
After more tests, I realize that the handling of `less` in
`ParseBaseTypeSpecifier` is for error recovery, and we might want to do the
same thing.
https://godbolt.org/z/9d3Pvxjxe
I agree that we should not factorize out decltype/pack indexing, but everything
else is hopefully exactly the
same.
> I'd be wary to mark this as a type-only context, unless the Standard says so.
> I believe it doesn't for using enum, but does for base specifier, because the
> latter uses class-or-decltype grammar.
Sorry, I was not clear. We always expect a type here in the grammar (ie, `using
enum expr` is never valid), and setting `IsTypename` only improves error
recovery (a bit).
(type-only context in the specification refers specifically to places where
`typename` can be ellided, and typename is never valid here)
https://github.com/llvm/llvm-project/pull/95399
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