[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.

Since I haven't heard from Marshall and Hal's fine with the less-future-proof std::is_floating_point, I'll commit that and we can iterate in tree.  Just running tests.


https://reviews.llvm.org/D31561