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[Bug libstdc++/85642] [8/9 Regression] Wrong implicit exception-specification with std::optional
- 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: Fri, 04 May 2018 09:58:14 +0000
- Subject: [Bug libstdc++/85642] [8/9 Regression] Wrong implicit exception-specification with std::optional
- Auto-submitted: auto-generated
- References: <bug-85642-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85642
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri May 4 09:57:42 2018
New Revision: 259930
URL: https://gcc.gnu.org/viewcvs?rev=259930&root=gcc&view=rev
Log:
PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
Add missing noexcept keyword to default constructor of each
_Optional_payload specialization.
PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
* include/std/optional (_Optional_payload): Add noexcept to default
constructor. Re-indent.
(_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
constructor for copying disengaged payloads.
(_Optional_payload<_Tp, true, false, true>): Likewise.
(_Optional_payload<_Tp, true, true, false>): Likewise.
(_Optional_payload<_Tp, true, false, false>): Likewise.
* testsuite/20_util/optional/cons/85642.cc: New.
* testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
Added:
branches/gcc-8-branch/libstdc++-v3/testsuite/20_util/optional/cons/85642.cc
Modified:
branches/gcc-8-branch/libstdc++-v3/ChangeLog
branches/gcc-8-branch/libstdc++-v3/include/std/optional
branches/gcc-8-branch/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc