[Bug testsuite/95720] [11 Regression] New dump output filename strategy invalidates tests

[aoliva at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95720

--- Comment #7 from Alexandre Oliva <aoliva at gcc dot gnu.org> ---
now, if it is from the board config file, maybe it had better be moved to
ldflags or libs; both of them undergo some -Wl, treatment of object files and
libs already.