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Subject: [Bug c/97548] [11 Regression] bogus -Wvla-parameter on a bound
 expression involving a parameter
Date: Thu, 16 Dec 2021 22:47:45 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97548

--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Martin Sebor
<msebor@gcc.gnu.org>:

https://gcc.gnu.org/g:7d3f53c595e1766ca0494e5f56f33b0ce49b3bb4

commit r11-9396-g7d3f53c595e1766ca0494e5f56f33b0ce49b3bb4
Author: Martin Sebor <msebor@redhat.com>
Date:   Thu Jul 15 10:11:23 2021 -0600

    Avoid -Wvla-parameter for nontrivial bounds [PR97548].

    Resolves:
    PR c/101289 - bogus -Wvla-paramater warning when using const for vla pa=
ram
    PR c/97548 -  bogus -Wvla-parameter on a bound expression involving a
parameter

    gcc/c-family/ChangeLog:

            PR c/101289
            PR c/97548
            * c-warn.c (warn_parm_array_mismatch): Use OEP_DECL_NAME.

    gcc/c/ChangeLog:

            PR c/101289
            PR c/97548
            * c-decl.c (get_parm_array_spec): Strip nops.

    gcc/ChangeLog:

            PR c/101289
            PR c/97548
            * fold-const.c (operand_compare::operand_equal_p): Handle
OEP_DECL_NAME.
            (operand_compare::verify_hash_value): Same.
            * tree-core.h (OEP_DECL_NAME): New.

    gcc/testsuite/ChangeLog:

            * gcc.dg/Wvla-parameter-12.c: New test.=