@@ -811,16 +811,10 @@ particular release.
<entry/>
</row>
<row>
- <?dbhtml bgcolor="#B0B0B0" ?>
<entry>20.9.4.3</entry>
<entry>Type properties</entry>
- <entry>Partial</entry>
- <entry>Missing is_trivially_copyable,
- is_trivially_constructible, is_trivially_default_constructible,
- is_trivially_copy_constructible, is_trivially_move_constructible,
- is_trivially_assignable, is_trivially_default_assignable,
- is_trivially_copy_assignable, is_trivially_move_assignable
- </entry>
+ <entry>Y</entry>
+ <entry/>
</row>
<row>
<entry>20.9.5</entry>
Now that we have is_trivially_copyable ... Update the docs and fix a TODO in <atomic>. I asked Doug Gregor recently about the __is_location_invariant trait that he used in our std::tr1::function and std::function implementations and he confirmed that in C++11 std::is_trivially_copyable is a better test. Ville pointed out on IRC that we might also be able to use it in <bits/stl_algobase.h> instead of __is_trivial but I haven't investigated that properly. Tested x86_64-linux, committed to trunk. commit 27ae8432c1af48d9fbc15754bf93285dcfbfdbc3 Author: Jonathan Wakely <jwakely@redhat.com> Date: Thu Oct 9 18:22:23 2014 +0100 * doc/xml/manual/status_cxx2011.xml: Update. * doc/html/manual/status.html: Regenerate. commit 4b6c1c0a6cb99c6fc7a8da5407fffed797a0bc29 Author: Jonathan Wakely <jwakely@redhat.com> Date: Thu Oct 9 13:42:57 2014 +0100 PR libstdc++/63322 * include/std/atomic (atomic): Add assertion for trivially copyable. * testsuite/29_atomics/atomic/60695.cc: Adjust line number. diff --git a/libstdc++-v3/include/std/atomic b/libstdc++-v3/include/std/atomic index be7d0be..85dc252 100644 --- a/libstdc++-v3/include/std/atomic +++ b/libstdc++-v3/include/std/atomic @@ -163,7 +163,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION private: _Tp _M_i; - // TODO: static_assert(is_trivially_copyable<_Tp>::value, ""); + static_assert(__is_trivially_copyable(_Tp), + "std::atomic requires a trivially copyable type"); static_assert(sizeof(_Tp) > 0, "Incomplete or zero-sized types are not supported"); diff --git a/libstdc++-v3/testsuite/29_atomics/atomic/60695.cc b/libstdc++-v3/testsuite/29_atomics/atomic/60695.cc index 27c0c8f..10c5e3a 100644 --- a/libstdc++-v3/testsuite/29_atomics/atomic/60695.cc +++ b/libstdc++-v3/testsuite/29_atomics/atomic/60695.cc @@ -27,4 +27,4 @@ struct X { char stuff[0]; // GNU extension, type has zero size }; -std::atomic<X> a; // { dg-error "not supported" "" { target *-*-* } 168 } +std::atomic<X> a; // { dg-error "not supported" "" { target *-*-* } 169 } commit cfb875df06d5691b5d81de489d07c0da106da517 Author: Jonathan Wakely <jwakely@redhat.com> Date: Thu Oct 9 13:47:04 2014 +0100 PR libstdc++/61909 * include/std/functional (__is_location_invariant): Treat all trivially copyable types as location invariant. diff --git a/libstdc++-v3/include/std/functional b/libstdc++-v3/include/std/functional index 15247bf..bed1eea 100644 --- a/libstdc++-v3/include/std/functional +++ b/libstdc++-v3/include/std/functional @@ -1743,11 +1743,12 @@ _GLIBCXX_HAS_NESTED_TYPE(result_type) /** * Trait identifying "location-invariant" types, meaning that the * address of the object (or any of its members) will not escape. - * Also implies a trivial copy constructor and assignment operator. + * Trivially copyable types are location-invariant and users can + * specialize this trait for other types. */ template<typename _Tp> struct __is_location_invariant - : __or_<is_pointer<_Tp>, is_member_pointer<_Tp>>::type + : is_trivially_copyable<_Tp>::type { }; class _Undefined_class;