[libcxx-commits] [PATCH] D65161: [libc++] Implement LWG 2510

[Louis Dionne via Phabricator via libcxx-commits]

ldionne created this revision.
ldionne added a reviewer: mclow.lists.
Herald added a reviewer: EricWF.
Herald added subscribers: libcxx-commits, dexonsmith, jkorous, christof.
Herald added a project: libc++.

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.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D65161

Files:
  libcxx/include/__functional_base
  libcxx/include/__mutex_base
  libcxx/include/mutex
  libcxx/include/new
  libcxx/include/tuple
  libcxx/include/type_traits
  libcxx/include/utility
  libcxx/src/mutex.cpp
  libcxx/src/utility.cpp
  libcxx/test/libcxx/type_traits/is_implicitly_default_constructible.pass.cpp
  libcxx/test/std/language.support/support.dynamic/nothrow_t.fail.cpp
  libcxx/test/std/language.support/support.dynamic/nothrow_t.pass.cpp
  libcxx/test/std/thread/thread.mutex/thread.lock/types.fail.cpp
  libcxx/test/std/thread/thread.mutex/thread.lock/types.pass.cpp
  libcxx/test/std/utilities/memory/allocator.tag/allocator_arg.fail.cpp
  libcxx/test/std/utilities/memory/allocator.tag/allocator_arg.pass.cpp
  libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/default.fail.cpp
  libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp
  libcxx/test/std/utilities/utility/pairs/pair.piecewise/piecewise_construct.pass.cpp
  libcxx/test/std/utilities/utility/pairs/pair.piecewise/piecewise_construct_t.fail.cpp
  libcxx/test/std/utilities/utility/pairs/pair.piecewise/piecewise_construct_t.pass.cpp
  libcxx/test/std/utilities/utility/pairs/pairs.pair/default.explicit.fail.cpp
  libcxx/test/std/utilities/utility/pairs/pairs.pair/default.pass.cpp
  libcxx/www/cxx1z_status.html

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