[Bug target/79462] [7 Regression] sh: Stack smashing detected when building __ashrdi3 in libgcc

[olegendo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79462

--- Comment #4 from Oleg Endo <olegendo at gcc dot gnu.org> ---
If the patch fixes the problem, it's OK.  But please add a comment where the
line is removed as a hint of what's going on there.