[Bug middle-end/127925] memcmp folding ignores scalar_storage_order of a constant initializer

[kyuwoncho18 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127925

--- Comment #2 from Kyuwon Cho <kyuwoncho18 at gmail dot com> ---
This is the same pattern gcc.dg/sso-7.c tests: memcmp on a reverse-SSO object
against a byte pattern, is it still undefined?