[Bug middle-end/117359] Stack pointer modifications in asm are not flagged in crtl->sp_is_unchanging

[schwab--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117359

--- Comment #5 from Andreas Schwab <sch...@linux-m68k.org> ---
This should be warned similar to "listing the stack pointer register %qs in a
clobber list is deprecated".