[Bug analyzer/114408] [13/14 Regression] ICE when invoking strcmp multiple times with -fsanitize=undefined -O1 -fanalyzer -flto

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114408

--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalc...@gcc.gnu.org>:

https://gcc.gnu.org/g:80a0cb37456c49dbc25cca7cd554f78bc504373e

commit r14-9646-g80a0cb37456c49dbc25cca7cd554f78bc504373e
Author: David Malcolm <dmalc...@redhat.com>
Date:   Sat Mar 23 09:52:38 2024 -0400

    analyzer: fix ICE and false positive with -Wanalyzer-deref-before-check
[PR114408]

    gcc/analyzer/ChangeLog:
            PR analyzer/114408
            * engine.cc (impl_run_checkers): Free up any dominance info that
            we may have created.
            * kf.cc (class kf_ubsan_handler): New.
            (register_sanitizer_builtins): New.
            (register_known_functions): Call register_sanitizer_builtins.

    gcc/testsuite/ChangeLog:
            PR analyzer/114408
            * c-c++-common/analyzer/deref-before-check-pr114408.c: New test.
            * c-c++-common/ubsan/analyzer-ice-pr114408.c: New test.

    Signed-off-by: David Malcolm <dmalc...@redhat.com>