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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/101124] [12 Regression] pair<T*, int>(0, 0) was intended to be deprecated, but is rejected now Date: Tue, 18 Jan 2022 16:32:14 +0000 [thread overview] Message-ID: <bug-101124-4-tnLCsjgIjw@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-101124-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101124 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jonathan Wakely <redi@gcc.gnu.org>: https://gcc.gnu.org/g:302343d8dd30e34516f74a61ec758d80a6c4d1db commit r12-6691-g302343d8dd30e34516f74a61ec758d80a6c4d1db Author: Jonathan Wakely <jwakely@redhat.com> Date: Tue Jan 18 15:10:06 2022 +0000 libstdc++: Fix ambiguous std::pair constructors [PR101124] The deprecated non-standard std::pair constructors that allow constructing std::pair<move-only-type, pointer-type> from an rvalue and a literal zero where not sufficiently constrained. They were viable when constructing std::pair<copyable-type, pointer-type>, and that case should work fine using the standard constructors. Replace the constraints on the non-standard constructors so they are only viable in cases that should actually be ill-formed according to the standard. Also rename __null_ptr_constant to __zero_as_null_pointer_constant so it matches the name of the -Wzero-as-null-pointer-constant warning. Also make the text of the deprecated warning describe the problem in more detail. libstdc++-v3/ChangeLog: PR libstdc++/101124 * include/bits/stl_pair.h (pair): Adjust constraints on deprecated constructors accepting literal zero as null pointer constant. Improve wording of deprecated attribute. * testsuite/20_util/pair/cons/99957.cc: Check that deprecated constructors do not cause ambiguities for copyable types.
next prev parent reply other threads:[~2022-01-18 16:32 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-18 13:33 [Bug libstdc++/101124] New: " redi at gcc dot gnu.org 2021-06-21 6:15 ` [Bug libstdc++/101124] " rguenth at gcc dot gnu.org 2021-09-25 20:08 ` redi at gcc dot gnu.org 2022-01-17 14:26 ` rguenth at gcc dot gnu.org 2022-01-18 11:11 ` redi at gcc dot gnu.org 2022-01-18 16:32 ` cvs-commit at gcc dot gnu.org [this message] 2022-01-18 16:37 ` redi at gcc dot gnu.org
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