Revert r372777: [libc++] Implement LWG 2510 and its follow-ups
This also reverts:
- r372778: [libc++] Implement LWG 3158
- r372782: [libc++] Try fixing tests that fail on GCC 5 and older
- r372787: Purge mentions of GCC 4 from the test suite
Reason: the change breaks compilation of LLVM with libc++, for details see
http://lists.llvm.org/pipermail/libcxx-dev/2019-September/000599.html
llvm-svn: 372832
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: a3d337a9a7d00d82bb190c5e551181d3998f6b98
diff --git a/include/mutex b/include/mutex
index 8fc3c61..dca6220 100644
--- a/include/mutex
+++ b/include/mutex
@@ -86,9 +86,9 @@
void unlock();
};
-struct defer_lock_t { explicit defer_lock_t() = default; };
-struct try_to_lock_t { explicit try_to_lock_t() = default; };
-struct adopt_lock_t { explicit adopt_lock_t() = default; };
+struct defer_lock_t {};
+struct try_to_lock_t {};
+struct adopt_lock_t {};
inline constexpr defer_lock_t defer_lock{};
inline constexpr try_to_lock_t try_to_lock{};