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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/107852] [12/13 Regression] Spurious warnings stringop-overflow and array-bounds copying data as bytes into vector Date: Tue, 29 Nov 2022 12:26:23 +0000 [thread overview] Message-ID: <bug-107852-4-nnhXmMOLSA@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-107852-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107852 --- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> --- Ontop of the patch I am testing the following fixes the diagnostics: diff --git a/libstdc++-v3/include/bits/vector.tcc b/libstdc++-v3/include/bits/vector.tcc index 33faabf2eae..aab87b94882 100644 --- a/libstdc++-v3/include/bits/vector.tcc +++ b/libstdc++-v3/include/bits/vector.tcc @@ -784,13 +784,15 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER { const size_type __len = _M_check_len(__n, "vector::_M_range_insert"); + pointer __tem = this->_M_impl._M_start; + pointer __tem2 = this->_M_impl._M_finish; pointer __new_start(this->_M_allocate(__len)); pointer __new_finish(__new_start); __try { __new_finish = std::__uninitialized_move_if_noexcept_a - (this->_M_impl._M_start, __position.base(), + (__tem, __position.base(), __new_start, _M_get_Tp_allocator()); __new_finish = std::__uninitialized_copy_a(__first, __last, @@ -798,7 +800,7 @@ _GLIBCXX_BEGIN_NAMESPACE_CONTAINER _M_get_Tp_allocator()); __new_finish = std::__uninitialized_move_if_noexcept_a - (__position.base(), this->_M_impl._M_finish, + (__position.base(), __tem2, __new_finish, _M_get_Tp_allocator()); } __catch(...)
next prev parent reply other threads:[~2022-11-29 12:26 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-23 23:24 [Bug tree-optimization/107852] New: " cuzdav at gmail dot com 2022-11-23 23:31 ` [Bug tree-optimization/107852] " pinskia at gcc dot gnu.org 2022-11-24 1:12 ` pinskia at gcc dot gnu.org 2022-11-24 7:07 ` rguenth at gcc dot gnu.org 2022-11-24 7:08 ` [Bug tree-optimization/107852] [12/13 Regression] " rguenth at gcc dot gnu.org 2022-11-29 11:46 ` rguenth at gcc dot gnu.org 2022-11-29 11:47 ` [Bug libstdc++/107852] " rguenth at gcc dot gnu.org 2022-11-29 12:01 ` redi at gcc dot gnu.org 2022-11-29 12:26 ` rguenth at gcc dot gnu.org [this message] 2022-11-29 13:30 ` cvs-commit at gcc dot gnu.org 2022-11-29 13:31 ` rguenth at gcc dot gnu.org 2022-11-29 16:50 ` redi at gcc dot gnu.org 2022-11-29 17:14 ` cvs-commit at gcc dot gnu.org 2023-03-19 10:31 ` [Bug libstdc++/107852] [12 " dvirtz at gmail dot com 2023-04-20 13:57 ` cvs-commit at gcc dot gnu.org 2023-04-27 11:44 ` rguenth at gcc dot gnu.org 2023-05-01 13:12 ` pinskia at gcc dot gnu.org 2023-06-29 18:08 ` rogerio.souza at gmail dot com 2023-06-29 18:12 ` rogerio.souza at gmail dot com 2023-06-29 19:16 ` redi at gcc dot gnu.org
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