[PATCH] D98104: Update __is_unsigned builtin to match the Standard.

[Richard Smith - zygoloid via Phabricator via cfe-commits]

rsmith added a comment.

LGTM too, once the remaining pending comments are addressed.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D98104/new/

https://reviews.llvm.org/D98104