[PATCH] D143524: Make the -Wunused-template default.

Thu Feb 23 12:29:45 PST 2023

philnik added a comment.

In D143524#4148344 <https://reviews.llvm.org/D143524#4148344>, @v.g.vassilev wrote:

> In D143524#4148271 <https://reviews.llvm.org/D143524#4148271>, @philnik wrote:
>
>> It looks like this warning is incompatible with `-Wctad-maybe-unsupported`. It warns that the deduction guide is unused, but the deduction guide is required suppress `-Wctad-maybe-unsupported`. https://godbolt.org/z/G8bMjYsbn
>
> That should not be too hard to fix. It seems that just need to ignore `CXXDeductionGuideDecl` in `Sema::ShouldRemoveFromUnused`. Is that blocking you?

No, I just added a `[[maybe_unused]]`. D144667 <https://reviews.llvm.org/D144667> should fix any libc++ problems.

Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D143524/new/

https://reviews.llvm.org/D143524