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[Bug libstdc++/77528] std::queue default constructor unnecessarily creates temporary of underlying Container
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 12 Jan 2017 17:29:07 +0000
- Subject: [Bug libstdc++/77528] std::queue default constructor unnecessarily creates temporary of underlying Container
- Auto-submitted: auto-generated
- References: <bug-77528-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77528
--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Thu Jan 12 17:28:36 2017
New Revision: 244374
URL: https://gcc.gnu.org/viewcvs?rev=244374&root=gcc&view=rev
Log:
PR77528 partially revert r244278 and define default constructors
PR libstdc++/77528
* include/bits/stl_queue.h (queue, priority_queue): Remove default
member-initializers and define default constructors as templates with
constraints.
* include/bits/stl_stack.h (stack): Likewise.
* testsuite/23_containers/priority_queue/requirements/constructible.cc:
New.
* testsuite/23_containers/priority_queue/requirements/
explicit_instantiation/1.cc: Test more instantiations.
* testsuite/23_containers/priority_queue/requirements/
explicit_instantiation/1_c++98.cc: Likewise.
* testsuite/23_containers/queue/requirements/constructible.cc: New.
* testsuite/23_containers/stack/requirements/constructible.cc: New.
Added:
trunk/libstdc++-v3/testsuite/23_containers/priority_queue/requirements/constructible.cc
- copied, changed from r244364,
trunk/libstdc++-v3/testsuite/23_containers/priority_queue/requirements/explicit_instantiation/1.cc
trunk/libstdc++-v3/testsuite/23_containers/queue/requirements/constructible.cc
- copied, changed from r244364,
trunk/libstdc++-v3/testsuite/23_containers/priority_queue/requirements/explicit_instantiation/1.cc
trunk/libstdc++-v3/testsuite/23_containers/stack/requirements/constructible.cc
- copied, changed from r244364,
trunk/libstdc++-v3/testsuite/23_containers/priority_queue/requirements/explicit_instantiation/1.cc
Modified:
trunk/libstdc++-v3/ChangeLog
trunk/libstdc++-v3/include/bits/stl_queue.h
trunk/libstdc++-v3/include/bits/stl_stack.h
trunk/libstdc++-v3/testsuite/23_containers/priority_queue/requirements/explicit_instantiation/1.cc
trunk/libstdc++-v3/testsuite/23_containers/priority_queue/requirements/explicit_instantiation/1_c++98.cc