Fix last_write_time.pass.cpp to work with clang-3.9 and earlier
authorRoman Lebedev <lebedev.ri@gmail.com>
Sun, 15 Oct 2017 21:52:53 +0000 (21:52 +0000)
committerRoman Lebedev <lebedev.ri@gmail.com>
Sun, 15 Oct 2017 21:52:53 +0000 (21:52 +0000)
commit622e7535494d1a9f609728535c29a9b05ff3b086
tree1d89847a4b875f1610d987782ba2c15c84a6229c
parent227cb6baef5e84c50086b44b79265f1632e9511d
Fix last_write_time.pass.cpp to work with clang-3.9 and earlier

At least with clang-3.9 and earlier, -Wunknown-pragmas is also needed.

llvm-svn: 315882
libcxx/test/std/experimental/filesystem/fs.op.funcs/fs.op.last_write_time/last_write_time.pass.cpp