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Ulrich Drepper d715f55431 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
 		2019-01-21 11:47:30 +00:00
..
array Fix after P0600. 2019-01-21 11:47:30 +00:00
bessel_function.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
beta_function.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
ccomplex Update copyright years. 2019-01-01 13:31:55 +01:00
cctype Update copyright years. 2019-01-01 13:31:55 +01:00
cfenv Update copyright years. 2019-01-01 13:31:55 +01:00
cfloat Update copyright years. 2019-01-01 13:31:55 +01:00
cinttypes Update copyright years. 2019-01-01 13:31:55 +01:00
climits Update copyright years. 2019-01-01 13:31:55 +01:00
cmath Update copyright years. 2019-01-01 13:31:55 +01:00
complex Update copyright years. 2019-01-01 13:31:55 +01:00
complex.h Update copyright years. 2019-01-01 13:31:55 +01:00
cstdarg Update copyright years. 2019-01-01 13:31:55 +01:00
cstdbool Update copyright years. 2019-01-01 13:31:55 +01:00
cstdint Update copyright years. 2019-01-01 13:31:55 +01:00
cstdio Update copyright years. 2019-01-01 13:31:55 +01:00
cstdlib Update copyright years. 2019-01-01 13:31:55 +01:00
ctgmath Update copyright years. 2019-01-01 13:31:55 +01:00
ctime Update copyright years. 2019-01-01 13:31:55 +01:00
ctype.h Update copyright years. 2019-01-01 13:31:55 +01:00
cwchar Update copyright years. 2019-01-01 13:31:55 +01:00
cwctype Update copyright years. 2019-01-01 13:31:55 +01:00
ell_integral.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
exp_integral.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
fenv.h Update copyright years. 2019-01-01 13:31:55 +01:00
float.h Update copyright years. 2019-01-01 13:31:55 +01:00
functional Update copyright years. 2019-01-01 13:31:55 +01:00
functional_hash.h Update copyright years. 2019-01-01 13:31:55 +01:00
gamma.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
hashtable.h Fix after P0600. 2019-01-21 11:47:30 +00:00
hashtable_policy.h Update copyright years. 2019-01-01 13:31:55 +01:00
hypergeometric.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
inttypes.h Update copyright years. 2019-01-01 13:31:55 +01:00
legendre_function.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
limits.h Update copyright years. 2019-01-01 13:31:55 +01:00
math.h Update copyright years. 2019-01-01 13:31:55 +01:00
memory Update copyright years. 2019-01-01 13:31:55 +01:00
modified_bessel_func.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
poly_hermite.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
poly_laguerre.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
random Update copyright years. 2019-01-01 13:31:55 +01:00
random.h Update copyright years. 2019-01-01 13:31:55 +01:00
random.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
regex Fix after P0600. 2019-01-21 11:47:30 +00:00
riemann_zeta.tcc Update copyright years. 2019-01-01 13:31:55 +01:00
shared_ptr.h Update copyright years. 2019-01-01 13:31:55 +01:00
special_function_util.h Update copyright years. 2019-01-01 13:31:55 +01:00
stdarg.h Update copyright years. 2019-01-01 13:31:55 +01:00
stdbool.h Update copyright years. 2019-01-01 13:31:55 +01:00
stdint.h Update copyright years. 2019-01-01 13:31:55 +01:00
stdio.h Update copyright years. 2019-01-01 13:31:55 +01:00
stdlib.h Update copyright years. 2019-01-01 13:31:55 +01:00
tgmath.h Update copyright years. 2019-01-01 13:31:55 +01:00
tuple Update copyright years. 2019-01-01 13:31:55 +01:00
type_traits Update copyright years. 2019-01-01 13:31:55 +01:00
unordered_map Update copyright years. 2019-01-01 13:31:55 +01:00
unordered_map.h Update copyright years. 2019-01-01 13:31:55 +01:00
unordered_set Update copyright years. 2019-01-01 13:31:55 +01:00
unordered_set.h Update copyright years. 2019-01-01 13:31:55 +01:00
utility Update copyright years. 2019-01-01 13:31:55 +01:00
wchar.h Update copyright years. 2019-01-01 13:31:55 +01:00
wctype.h Update copyright years. 2019-01-01 13:31:55 +01:00