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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 sanitizer/114956] [11/12/13 Regression] Segmentation fault with
 -fsanitize=address -fsanitize=null -O2 when attribute no_sanitize_address is
 enabled since r9-5742
Date: Thu, 09 May 2024 04:26:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114956

--- Comment #7 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:d1ec7bc9cb0639a212422710ba647dc1aaea6eaa

commit r13-8733-gd1ec7bc9cb0639a212422710ba647dc1aaea6eaa
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Tue May 7 21:29:14 2024 +0200

    tree-inline: Remove .ASAN_MARK calls when inlining functions into
no_sanitize callers [PR114956]

    In r9-5742 we've started allowing to inline always_inline functions into
    functions which have disabled e.g. address sanitization even when the
    always_inline function is implicitly from command line options sanitize=
d.

    This mostly works fine because most of the asan instrumentation is done
only
    late after ipa, but as the following testcase the .ASAN_MARK ifn calls
    gimplifier adds can result in ICEs.

    Fixed by dropping those during inlining, similarly to how we drop
    .TSAN_FUNC_EXIT calls.

    2024-05-07  Jakub Jelinek  <jakub@redhat.com>

            PR sanitizer/114956
            * tree-inline.cc: Include asan.h.
            (copy_bb): Remove also .ASAN_MARK calls if id->dst_fn has
asan/hwasan
            sanitization disabled.

            * gcc.dg/asan/pr114956.c: New test.

    (cherry picked from commit d4e25cf4f7c1f51a8824cc62bbb85a81a41b829a)=