Louis Dionne 19c44c5a00 [libc++] Add XFAILs for istream tests that were added in r357775
We fixed incorrect behavior of input streams in r357775 and tests were
added accordingly. However, older versions of macOS don't have the
change in the dylib yet, so the tests fail on those platforms.

llvm-svn: 357794
2019-04-05 18:50:47 +00:00
..