[libcxx-commits] [PATCH] D63574: Implement P0340R3: Make `underlying_type` SFINAE-friendly

[Marshall Clow via Phabricator via libcxx-commits]

mclow.lists added a comment.

In D63574#1551251 <https://reviews.llvm.org/D63574#1551251>, @mclow.lists wrote:

> How many of these should fail?


Turns out that only the first one should fail - and that's the one that clang rejects.


Repository:
  rCXX libc++

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https://reviews.llvm.org/D63574