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| author | Louis Dionne <ldionne@apple.com> | 2019-09-24 20:18:54 +0000 |
|---|---|---|
| committer | Louis Dionne <ldionne@apple.com> | 2019-09-24 20:18:54 +0000 |
| commit | 95411dd426e6ea5b13c8f1bb7c4ba7190ecd6c1a (patch) | |
| tree | c855a112fdf1c8beb265b722df01b8f8d95e113f /libcxx/include/__functional_base | |
| parent | 19712415a57509f722c0552550cbc308c25bde7b (diff) | |
| download | bcm5719-llvm-95411dd426e6ea5b13c8f1bb7c4ba7190ecd6c1a.tar.gz bcm5719-llvm-95411dd426e6ea5b13c8f1bb7c4ba7190ecd6c1a.zip | |
[libc++] Implement LWG 2510
Summary:
LWG2510 makes tag types like allocator_arg_t explicitly default
constructible instead of implicitly default constructible. It also
makes the constructors for std::pair and std::tuple conditionally
explicit based on the explicit-ness of the default constructibility
for the pair/tuple's elements.
Reviewers: mclow.lists, EricWF
Subscribers: christof, jkorous, dexonsmith, libcxx-commits
Tags: #libc
Differential Revision: https://reviews.llvm.org/D65161
llvm-svn: 372777
Diffstat (limited to 'libcxx/include/__functional_base')
| -rw-r--r-- | libcxx/include/__functional_base | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libcxx/include/__functional_base b/libcxx/include/__functional_base index 9587d7ab15a..ca761c409b6 100644 --- a/libcxx/include/__functional_base +++ b/libcxx/include/__functional_base @@ -558,7 +558,7 @@ struct __is_transparent<_Tp, _Up, // allocator_arg_t -struct _LIBCPP_TEMPLATE_VIS allocator_arg_t { }; +struct _LIBCPP_TEMPLATE_VIS allocator_arg_t { explicit allocator_arg_t() = default; }; #if defined(_LIBCPP_CXX03_LANG) || defined(_LIBCPP_BUILDING_LIBRARY) extern _LIBCPP_EXPORTED_FROM_ABI const allocator_arg_t allocator_arg; |
