[Bug testsuite/124326] g++.dg/coroutines/pr110872.C XPASSes

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124326

--- Comment #1 from Rainer Orth <ro at gcc dot gnu.org> ---
Iain, what about this one?  Restrict the xfail to 64-bit except on Darwin?