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

[dhowells at redhat dot com]

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

--- Comment #8 from dhowells at redhat dot com <dhowells at redhat dot com> ---
The patch works for me, thanks!