[libcxx-commits] [PATCH] D145376: [libc++] add declval failure assertion for instantiation

[Eric Fiselier via Phabricator via libcxx-commits]

EricWF added a comment.

Just use `__attribute__((unavailable("declval cannot be called"))` or some such.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145376/new/

https://reviews.llvm.org/D145376