================
@@ -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
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits

Reply via email to