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author | Ulrich Drepper <drepper@redhat.com> | 2019-01-21 11:47:30 +0000 |
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committer | Ulrich Drepper <drepper@gcc.gnu.org> | 2019-01-21 11:47:30 +0000 |
commit | d715f5543117af088e6d8099806b266aa2dac047 (patch) | |
tree | 8a278f392e532b7d9a500a1ea59be3d154a5bd0e /libstdc++-v3/include/std/future | |
parent | 91f1f6cd66d6b34c8938d11735708646a338e8d2 (diff) | |
download | gcc-d715f5543117af088e6d8099806b266aa2dac047.zip gcc-d715f5543117af088e6d8099806b266aa2dac047.tar.gz gcc-d715f5543117af088e6d8099806b266aa2dac047.tar.bz2 |
Fix after P0600.
gcc/testsuite/ChangeLog
2019-02-20 Ulrich Drepper <drepper@redhat.com>
Fix after P0600.
* g++.dg/init/new39.C: Don't just ignore result of new.
libstdc++/ChangeLog
2019-02-20 Ulrich Drepper <drepper@redhat.com>
Implement C++20 P0600r1.
* include/backward/hash_map: Add nodiscard attribute to empty.
* include/backward/hash_set: Likewise.
* backward/hashtable.h: Likewise.
* include/bits/basic_string.h: Likewise.
* include/bits/forward_list.h: Likewise.
* include/bits/hashtable.h: Likewise.
* include/bits/regex.h: Likewise.
* include/bits/stl_deque.h: Likewise.
* include/bits/stl_list.h: Likewise.
* include/bits/stl_map.h: Likewise.
* include/bits/stl_multimap.h: Likewise.
* include/bits/stl_multiset.h: Likewise.
* include/bits/stl_queue.h: Likewise.
* include/bits/stl_set.h: Likewise.
* include/bits/stl_stack.h: Likewise.
* include/bits/stl_tree.h: Likewise.
* include/bits/stl_vector.h: Likewise.
* include/bits/unordered_map.h: Likewise.
* include/bits/unordered_set.h: Likewise.
* include/debug/array: Likewise.
* include/experimental/any: Likewise.
* include/experimental/bits/fs_path.h: Likewise.
* include/experimental/internet: Likewise.
* include/experimental/string_view: Likewise.
* include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
Likewise.
* include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
Likewise.
* include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
Likewise.
* include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
Likewise.
* include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
Likewise.
* include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
Likewise.
* include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
Likewise.
* include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
Likewise.
* include/ext/pb_ds/detail/left_child_next_sibling_heap_/info_fn_imps.hpp:
Likewise.
*
include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp:
Likewise.
* include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
Likewise.
* include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
Likewise.
* include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
Likewise.
* include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
Likewise.
* include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
Likewise.
* include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
Likewise.
* include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
Likewise.
* include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
* include/ext/pb_ds/trie_policy.hpp: Likewise.
* include/ext/rope: Likewise.
* include/ext/slist: Likewise.
* include/ext/vstring.h: Likewise.
* include/profile/array: Likewise.
* include/std/array: Likewise.
* include/tr1/array: Likewise.
* include/tr1/hashtable.h: Likewise.
* include/tr1/regex: Likewise.
* include/tr2/dynamic_bitset: Likewise.
* include/bits/alloc_traits.h: Add nodiscard attribute to
allocate.
* include/experimental/memory_resource: Likewise.
* include/ext/alloc_traits.h: Likewise.
* include/ext/array_allocator.h: Likewise.
* include/ext/bitmap_allocator.h: Likewise.
* include/ext/debug_allocator.h: Likewise.
* include/ext/extptr_allocator.h: Likewise.
* include/ext/mt_allocator.h: Likewise.
* include/ext/new_allocator.h: Likewise.
* include/ext/pool_allocator.h: Likewise.
* include/ext/throw_allocator.h: Likewise.
* include/std/scoped_allocator: Likewise.
* libsupc++/eh_alloc.cc: Likewise.
* include/std/future: Add nodiscard attribute to async.
* libsupc++/new: Add nodiscard attribute to new.
From-SVN: r268111
Diffstat (limited to 'libstdc++-v3/include/std/future')
-rw-r--r-- | libstdc++-v3/include/std/future | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libstdc++-v3/include/std/future b/libstdc++-v3/include/std/future index 6cafde5..10136e5 100644 --- a/libstdc++-v3/include/std/future +++ b/libstdc++-v3/include/std/future @@ -1703,7 +1703,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION /// async template<typename _Fn, typename... _Args> - future<__async_result_of<_Fn, _Args...>> + _GLIBCXX_NODISCARD future<__async_result_of<_Fn, _Args...>> async(launch __policy, _Fn&& __fn, _Args&&... __args) { std::shared_ptr<__future_base::_State_base> __state; @@ -1736,7 +1736,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION /// async, potential overload template<typename _Fn, typename... _Args> - inline future<__async_result_of<_Fn, _Args...>> + _GLIBCXX_NODISCARD inline future<__async_result_of<_Fn, _Args...>> async(_Fn&& __fn, _Args&&... __args) { return std::async(launch::async|launch::deferred, |