[PATCH] D31260: [libc++] Work around C1XX bug which breaks poisoned hash tests.

[Eric Fiselier via Phabricator via cfe-commits]

EricWF added a comment.

In https://reviews.llvm.org/D31260#708139, @BillyONeal wrote:

>   (Though you might want something like this anyway if you try libc++ with MSVC++ on Windows...)


Exactly why I volunteered to do this. As libc++ and MSVC implement C++17 at different rates I suspect we'll need temporary workarounds like this more often.


https://reviews.llvm.org/D31260