[Bug fortran/78672] Gfortran test suite failures with a sanitized compiler

[vehre at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78672
Bug 78672 depends on bug 68887, which changed state.

Bug 68887 Summary: [6 regression] gfortran.dg/coarray/event_[12].f90 
-fcoarray=lib  -O2  -lcaf_single -latomic fails
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68887

           What    |Removed                     |Added
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             Status|WAITING                     |RESOLVED
         Resolution|---                         |FIXED