[Bug tree-optimization/100510] bogus -Wvla-large-than with -Walloca

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100510

--- Comment #2 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:f974b54b8a0c330e9dd2b43ebc940100d601df0f

commit r12-690-gf974b54b8a0c330e9dd2b43ebc940100d601df0f
Author: Martin Sebor <msebor@redhat.com>
Date:   Mon May 10 14:00:04 2021 -0600

    Avoid -Walloca-larger-than and -Wvla-larger-than false postives and
negatives.

    Resolves:
    PR middle-end/100425 - missing -Walloca-larger-than with -O0
    PR middle-end/100510 - bogus -Wvla-large-than with -Walloca

    gcc/ChangeLog:

            PR middle-end/100425
            PR middle-end/100510
            * gimple-ssa-warn-alloca.c (pass_walloca::firast_time_p): Rename...
            (pass_walloca::xlimit_certain_p): ...to this.
            (pass_walloca::gate): Execute for any kind of handled warning.
            (pass_walloca::execute): Avoid issuing "maybe" and "unbounded"
            warnings when xlimit_certain_p is set.

    gcc/testsuite/ChangeLog:

            PR middle-end/100425
            PR middle-end/100510
            * c-c++-common/Walloca-larger-than.C: New test.
            * gcc.dg/Walloca-larger-than-4.c: New test.
            * gcc.dg/Wvla-larger-than-5.c: New test.
            * gcc.dg/pr79972.c: Remove unexpected warning directive.