[PATCH] D31561: cmath: Skip Libc for integral types in isinf, etc.

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

dexonsmith added a comment.

Marshall, are you fine with figuring this out in-tree?  Or should I revert to using `std::is_floating_point` for now?


https://reviews.llvm.org/D31561