[NFC] Improve cmake diagnostic when checking atomics
authorJF Bastien <jfbastien@apple.com>
Tue, 30 Jul 2019 22:08:38 +0000 (22:08 +0000)
committerJF Bastien <jfbastien@apple.com>
Tue, 30 Jul 2019 22:08:38 +0000 (22:08 +0000)
commitd56dc1d926b9ee2317f3766d21700bdc77dd84f6
treea88c538508bda58135637cba982a670e9ab1741e
parent072317311473fee34948c51b41a4be55affbca4b
[NFC] Improve cmake diagnostic when checking atomics

llvm-svn: 367359
llvm/cmake/modules/CheckAtomic.cmake