[PATCH] D48852: [Sema] -Wformat-pedantic only for NSInteger/NSUInteger %tu/%td on Darwin

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman added a comment.

> This is acceptable because Darwin guarantees that, despite the watchOS ABI differences, sizeof(ptrdiff_t) == sizeof(NS[U]Integer)

Can you describe these ABI differences please? Also, does Darwin guarantee that alignof(ptrdiff_t) == alignof(NS[U]Integer)?


Repository:
  rC Clang

https://reviews.llvm.org/D48852