[Bug other/78678] possibly missing -Warray-bounds warning

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78678

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Created attachment 41297
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41297&action=edit
reduced test-case