[PATCH] D50748: [libc++] Detect C11 features on non-Clang compilers

[Louis Dionne via Phabricator via cfe-commits]

ldionne created this revision.
ldionne added a reviewer: mclow.lists.
Herald added a reviewer: EricWF.
Herald added subscribers: cfe-commits, dexonsmith, christof, krytarowski.

The macros were inside `#if defined(_LIBCPP_COMPILER_CLANG)`, which means
we would never detect C11 features on non-Clang compilers. According to
Marshall Clow, this is not the intended behavior.

[libc++] Disable failing C11 feature tests for <cfloat> and <float.h>

Those tests are breaking the test bots. A Bugzilla has been filed to
make sure those tests are re-enabled: https://bugs.llvm.org/show_bug.cgi?id=38572


Repository:
  rCXX libc++

https://reviews.llvm.org/D50748

Files:
  libcxx/include/__config
  libcxx/test/std/depr/depr.c.headers/float_h.pass.cpp
  libcxx/test/std/language.support/support.limits/c.limits/cfloat.pass.cpp

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