[PATCH] D41048: [libcxx] workaround PR 28385 in __find_exactly_one_checked

[Zhihao Yuan via Phabricator via cfe-commits]

lichray accepted this revision.
lichray added a comment.
This revision is now accepted and ready to land.

Reproduced with

  lit -sv --param=cxx_under_test="$HOME/bin/clang++" test/std/utilities/tuple/
  lit: [...] note: Using available_features: ['libc++', 'verify-support', 'clang-6', 'modules-support', 'locale.en_US.UTF-8', 'diagnose-if-support', 'long_tests', 'fdelayed-template-parsing', '-faligned-allocation', 'locale.zh_CN.UTF-8', 'c++2a', 'locale.fr_CA.ISO8859-1', 'c++filesystem', 'c++experimental', 'clang', 'locale.fr_FR.UTF-8', 'locale.ru_RU.UTF-8', 'fsized-deallocation', 'freebsd11', 'fcoroutines-ts', 'locale.cs_CZ.ISO8859-2', 'clang-6.0', 'thread-safety']


https://reviews.llvm.org/D41048