[PATCH] D123909: [Clang] Use of decltype(capture) in parameter-declaration-clause
Aaron Ballman via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Apr 20 12:20:36 PDT 2022
aaron.ballman added a comment.
In D123909#3462791 <https://reviews.llvm.org/D123909#3462791>, @rsmith wrote:
> In D123909#3462560 <https://reviews.llvm.org/D123909#3462560>, @aaron.ballman wrote:
>> This looks like a true positive to me, at least for the moment (Core is still trying to decide what to do about CWG2569 which may relax some restrictions in this area).
>> @MaskRay -- your revert was incorrect, please un-revert.
> It sounds to me like this change is causing a substantial amount of breakage for real code, which might suggest that applying it retroactively by default is not in the best interests of our users. I think we need more information here on the scope of the breakages, but it might make sense to suggest that CWG reconsiders treating this as a DR.
Based on the amount of code broken thus far, I tend to agree that P2036R3 should not be a DR (or perhaps retracted entirely for C++23 until these issues are addressed by the paper author). But I agree that we need more information on the scope of the breakages, which is why I was sad to see all of this reverted without prior discussion.
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