Stephan T. Lavavej 709be5eef2 [libcxx] [test] Rename _Up to U, etc. NFCI.
This improves readability and (theoretically) improves portability,
as _Ugly names are reserved.

This performs additional de-uglification, so all of these tests
follow the example of iterator.traits/empty.pass.cpp.

llvm-svn: 310761
2017-08-11 20:54:09 +00:00
..