[Bug c/94641] -Wpadded -fsanitize=undefined together cause warning on main()

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94641

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jakub Jelinek
<ja...@gcc.gnu.org>:

https://gcc.gnu.org/g:1e4a928134e8f17bbcae99f2bac2bbce73ef6f73

commit r9-8882-g1e4a928134e8f17bbcae99f2bac2bbce73ef6f73
Author: Jakub Jelinek <ja...@redhat.com>
Date:   Tue Apr 21 17:06:31 2020 +0200

    ubsan: Avoid -Wpadded warnings [PR94641]

    -Wpadded warnings aren't really useful for the artificial types that GCC
    lays out for ubsan.

    2020-04-21  Jakub Jelinek  <ja...@redhat.com>

            PR c/94641
            * stor-layout.c (place_field, finalize_record_size): Don't emit
            -Wpadded warning on TYPE_ARTIFICIAL rli->t.
            * ubsan.c (ubsan_get_type_descriptor_type,
            ubsan_get_source_location_type, ubsan_create_data): Set
            TYPE_ARTIFICIAL.
            * asan.c (asan_global_struct): Likewise.

            * c-c++-common/ubsan/pr94641.c: New test.

    (cherry picked from commit 73f8e9dca5ff891ed19001b213fd1f6ce31417e3)