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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 tree-optimization/101854] [11/12 Regression] Invalid warning -Wstringop-overflow wrong argument Date: Tue, 17 Aug 2021 20:51:36 +0000 [thread overview] Message-ID: <bug-101854-4-WzWy5yh2VN@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-101854-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101854 --- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Martin Sebor <msebor@gcc.gnu.org>: https://gcc.gnu.org/g:b48d4e6818674898f90d9358378c127511ef0f9f commit r12-2976-gb48d4e6818674898f90d9358378c127511ef0f9f Author: Martin Sebor <msebor@redhat.com> Date: Tue Aug 17 14:49:05 2021 -0600 Move more warning code to gimple-ssa-warn-access etc. Also resolves: PR middle-end/101854 - Invalid warning -Wstringop-overflow wrong argument gcc/ChangeLog: PR middle-end/101854 * builtins.c (expand_builtin_alloca): Move warning code to check_alloca in gimple-ssa-warn-access.cc. * calls.c (alloc_max_size): Move code to check_alloca. (get_size_range): Move to pointer-query.cc. (maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.cc. (get_attr_nonstring_decl): Move to tree.c. (fntype_argno_type): Move to gimple-ssa-warn-access.cc. (append_attrname): Same. (maybe_warn_rdwr_sizes): Same. (initialize_argument_information): Move code to gimple-ssa-warn-access.cc. * calls.h (maybe_warn_alloc_args_overflow): Move to gimple-ssa-warn-access.h. (get_attr_nonstring_decl): Move to tree.h. (maybe_warn_nonstring_arg): Move to gimple-ssa-warn-access.h. (enum size_range_flags): Move to pointer-query.h. (get_size_range): Same. * gimple-ssa-warn-access.cc (has_location): Remove unused overload to avoid Clang -Wunused-function. (get_size_range): Declare static. (maybe_emit_free_warning): Rename... (maybe_check_dealloc_call): ...to this for consistency. (class pass_waccess): Add members. (pass_waccess::~pass_waccess): Defined. (alloc_max_size): Move here from calls.c. (maybe_warn_alloc_args_overflow): Same. (check_alloca): New function. (check_alloc_size_call): New function. (check_strncat): Handle another warning flag. (pass_waccess::check_builtin): Handle alloca. (fntype_argno_type): Move here from calls.c. (append_attrname): Same. (maybe_warn_rdwr_sizes): Same. (pass_waccess::check_call): Define. (check_nonstring_args): New function. (pass_waccess::check): Call new member functions. (pass_waccess::execute): Enable ranger. * gimple-ssa-warn-access.h (get_size_range): Move here from calls.h. (maybe_warn_nonstring_arg): Same. * gimple-ssa-warn-restrict.c: Remove #include. * pointer-query.cc (get_size_range): Move here from calls.c. * pointer-query.h (enum size_range_flags): Same. (get_size_range): Same. * tree.c (get_attr_nonstring_decl): Move here from calls.c. * tree.h (get_attr_nonstring_decl): Move here from calls.h. gcc/testsuite/ChangeLog: * gcc.dg/attr-alloc_size-5.c: Adjust optimization to -O1. * gcc.dg/attr-alloc_size-7.c: Use #pragmas to adjust optimization. * gcc.dg/attr-alloc_size-8.c: Adjust optimization to -O1. PR middle-end/101854 * gcc.dg/Wstringop-overflow-72.c: New test.
next prev parent reply other threads:[~2021-08-17 20:51 UTC|newest] Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-10 23:39 [Bug c/101854] New: " nightstrike at gmail dot com 2021-08-10 23:44 ` [Bug tree-optimization/101854] " pinskia at gcc dot gnu.org 2021-08-10 23:45 ` [Bug c/101854] " nightstrike at gmail dot com 2021-08-10 23:48 ` [Bug tree-optimization/101854] " pinskia at gcc dot gnu.org 2021-08-10 23:50 ` nightstrike at gmail dot com 2021-08-10 23:51 ` pinskia at gcc dot gnu.org 2021-08-10 23:56 ` [Bug tree-optimization/101854] [11/12 Regression] " pinskia at gcc dot gnu.org 2021-08-10 23:58 ` pinskia at gcc dot gnu.org 2021-08-12 22:30 ` msebor at gcc dot gnu.org 2021-08-12 22:30 ` msebor at gcc dot gnu.org 2021-08-17 20:51 ` cvs-commit at gcc dot gnu.org [this message] 2021-08-17 20:53 ` [Bug tree-optimization/101854] [11 " msebor at gcc dot gnu.org 2022-04-21 7:50 ` rguenth at gcc dot gnu.org 2022-12-22 2:49 ` nightstrike at gmail dot com 2023-05-29 10:05 ` jakub at gcc dot gnu.org
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