[Bug libfortran/78314] [aarch64] ieee_support_halting does not report unsupported fpu traps correctly

[nsz at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78314

nsz at gcc dot gnu.org changed:

           What    |Removed                     |Added
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   Target Milestone|---                         |7.0
      Known to fail|                            |5.4.0, 6.2.0