[libc++] Make sure we include a header when checking compiler macros
authorLouis Dionne <ldionne@apple.com>
Tue, 27 Oct 2020 19:57:47 +0000 (15:57 -0400)
committerLouis Dionne <ldionne@apple.com>
Tue, 27 Oct 2020 19:58:43 +0000 (15:58 -0400)
commitc56bbb3961e460cdff96c200068c073dd5d9f5cc
treeedb86680ff253c71725808d7597b05c4a1aba268
parent6a972ffabd28956711dd50c0922c71bc342de328
[libc++] Make sure we include a header when checking compiler macros

Otherwise, it's possible for some __config_site macros not to be
picked up.
libcxx/utils/libcxx/test/dsl.py