[PATCH] D26826: [libcxx] Implement locale.h to fix modules build

[Eric Fiselier via cfe-commits]

EricWF created this revision.
EricWF added reviewers: mclow.lists, rsmith.
EricWF added a subscriber: cfe-commits.

Because `locale.h` isn't part of the libc++ modules the class definitions it provides are exported as part of `__locale` (since it happens to be build first). This breaks `<clocale>` which exports `std::lconv` without including `<__locale>`.

This patch implements `locale.h` to fix this issue, it also adds support for testing libc++ with modules.


https://reviews.llvm.org/D26826

Files:
  include/locale.h
  include/module.modulemap
  test/libcxx/depr/depr.c.headers/locale_h.pass.cpp
  test/libcxx/modules/clocale_exports.sh.cpp
  test/libcxx/test/config.py

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