[Bug c/53548] allow flexible array members in unions like zero-length arrays

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53548

--- Comment #16 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Sam James <sjames@gcc.gnu.org>:

https://gcc.gnu.org/g:136f364e26d9ad4f05e0005e480813cdc8f56c96

commit r15-2403-g136f364e26d9ad4f05e0005e480813cdc8f56c96
Author: Sam James <sam@gentoo.org>
Date:   Tue Jul 30 11:08:31 2024 +0100

    testsuite: fix dg-do run whitespace

    This caused the tests to not be run. I may do further passes for non-run
    next.

    Tested on x86_64-pc-linux-gnu and checked test logs before/after.

            PR c/53548
            PR target/101529
            PR tree-optimization/102359
            * c-c++-common/fam-in-union-alone-in-struct-1.c: Fix whitespace in
dg directive.
            * c-c++-common/fam-in-union-alone-in-struct-2.c: Likewise.
            * c-c++-common/torture/builtin-shufflevector-2.c: Likewise.
            * g++.dg/pr102359_2.C: Likewise.
            * g++.target/i386/mvc1.C: Likewise.