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authorJonathan Wakely <jwakely@redhat.com>2021-08-03 20:50:52 +0100
committerJonathan Wakely <jwakely@redhat.com>2021-08-04 12:54:29 +0100
commit0d04fe49239d91787850036599164788f1c87785 (patch)
treefc8e84c4b7ae94e3206bb65579fd6ef45ff9d8a3 /libstdc++-v3/testsuite/23_containers/deque/types/1.cc
parent240b01b0215f9e46ecf04267c8a3faeb19d4fe3c (diff)
downloadgcc-0d04fe49239d91787850036599164788f1c87785.tar.gz
libstdc++: Add [[nodiscard]] to sequence containers
... and container adaptors. This adds the [[nodiscard]] attribute to functions with no side-effects for the sequence containers and their iterators, and the debug versions of those containers, and the container adaptors, Signed-off-by: Jonathan Wakely <jwakely@redhat.com> libstdc++-v3/ChangeLog: * include/bits/forward_list.h: Add [[nodiscard]] to functions with no side-effects. * include/bits/stl_bvector.h: Likewise. * include/bits/stl_deque.h: Likewise. * include/bits/stl_list.h: Likewise. * include/bits/stl_queue.h: Likewise. * include/bits/stl_stack.h: Likewise. * include/bits/stl_vector.h: Likewise. * include/debug/deque: Likewise. * include/debug/forward_list: Likewise. * include/debug/list: Likewise. * include/debug/safe_iterator.h: Likewise. * include/debug/vector: Likewise. * include/std/array: Likewise. * testsuite/23_containers/array/creation/3_neg.cc: Use -Wno-unused-result. * testsuite/23_containers/array/debug/back1_neg.cc: Cast result to void. * testsuite/23_containers/array/debug/back2_neg.cc: Likewise. * testsuite/23_containers/array/debug/front1_neg.cc: Likewise. * testsuite/23_containers/array/debug/front2_neg.cc: Likewise. * testsuite/23_containers/array/debug/square_brackets_operator1_neg.cc: Likewise. * testsuite/23_containers/array/debug/square_brackets_operator2_neg.cc: Likewise. * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust dg-error line numbers. * testsuite/23_containers/deque/cons/clear_allocator.cc: Cast result to void. * testsuite/23_containers/deque/debug/invalidation/4.cc: Likewise. * testsuite/23_containers/deque/types/1.cc: Use -Wno-unused-result. * testsuite/23_containers/list/types/1.cc: Cast result to void. * testsuite/23_containers/priority_queue/members/7161.cc: Likewise. * testsuite/23_containers/queue/members/7157.cc: Likewise. * testsuite/23_containers/vector/59829.cc: Likewise. * testsuite/23_containers/vector/ext_pointer/types/1.cc: Likewise. * testsuite/23_containers/vector/ext_pointer/types/2.cc: Likewise. * testsuite/23_containers/vector/types/1.cc: Use -Wno-unused-result.
Diffstat (limited to 'libstdc++-v3/testsuite/23_containers/deque/types/1.cc')
-rw-r--r--libstdc++-v3/testsuite/23_containers/deque/types/1.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/23_containers/deque/types/1.cc b/libstdc++-v3/testsuite/23_containers/deque/types/1.cc
index a17b1d86ec9..144eb57e13a 100644
--- a/libstdc++-v3/testsuite/23_containers/deque/types/1.cc
+++ b/libstdc++-v3/testsuite/23_containers/deque/types/1.cc
@@ -18,6 +18,7 @@
// <http://www.gnu.org/licenses/>.
// { dg-do compile }
+// { dg-options "-Wno-unused-result" }
#include <deque>
#include <testsuite_greedy_ops.h>