Eric Fiselier 25b9b60dd6 Cleanup test issues reported by STL @ Microsoft.
This patch cleans up a number of issues reported by STL, including:

1) Fix duplicate is_convertible test.
2) Move non-standard reference_wrapper tests under test/libcxx
3) Fix assumption that sizeof(wchar_t) == 32 in the codecvt and
   wstring_convert tests.

llvm-svn: 302870
2017-05-12 03:38:28 +00:00
..