[Bug middle-end/104436] [12 Regression] spurious -Wdangling-pointer assigning local address to a class passed by value

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104436

--- Comment #4 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:373a2dc2be0089ae59b61202a6023458aaaf63d8

commit r12-7650-g373a2dc2be0089ae59b61202a6023458aaaf63d8
Author: Martin Sebor <msebor@redhat.com>
Date:   Mon Mar 14 18:23:08 2022 -0600

    Avoid -Wdangling-pointer for by-transparent-reference arguments [PR104436].

    This change avoids -Wdangling-pointer for by-value arguments transformed
    into by-transparent-reference.

    Resolves:
    PR middle-end/104436 - spurious -Wdangling-pointer assigning local address
to a class passed by value

    gcc/ChangeLog:

            PR middle-end/104436
            * gimple-ssa-warn-access.cc (pass_waccess::check_dangling_stores):
            Check for warning suppression.  Avoid by-value arguments
transformed
            into by-transparent-reference.

    gcc/testsuite/ChangeLog:

            PR middle-end/104436
            * c-c++-common/Wdangling-pointer-8.c: New test.
            * g++.dg/warn/Wdangling-pointer-5.C: New test.