[Bug libbacktrace/112396] "make check" should not error out, even when some checks failed

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112396

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
https://gcc.gnu.org/install/test.html

Even mentions -k option for a long time.