================
@@ -936,19 +940,21 @@ Expr *buildIsDeducibleConstraint(Sema &SemaRef,
Context.DeclarationNames.getCXXDeductionGuideName(AliasTemplate));
};
+ TemplateDecl *TD = DeducingTemplate ? DeducingTemplate : AliasTemplate;
+
SmallVector<TypeSourceInfo *> IsDeducibleTypeTraitArgs = {
Context.getTrivialTypeSourceInfo(
Context.getDeducedTemplateSpecializationType(
- TemplateName(AliasTemplate), /*DeducedType=*/QualType(),
+ TemplateName(TD), /*DeducedType=*/QualType(),
----------------
hokein wrote:
Thanks for filing the issue.
> Is the best course of action in the meantime to update the implementation in
> this PR to accept that above code, or leave it as breaking until CWG responds?
I’m inclined to avoid breaking existing code. How about skipping the
construction of the `is_deducible` type trait for this specific case (as your
suggested resolution)?
https://github.com/llvm/llvm-project/pull/98788
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