More fixes to the tests.  Add UTF-8 encoding to all locales that don't specify one.  Undefine some stdio.h macros that break the tests.



git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@140252 91177308-0d34-0410-b5e6-96231b3b80d8
7 files changed