Possible Fortran testsuite failures for default_format_*.f90

[FX Coudert]

Hi,

A reworking of Fortran testcases might lead to the following cases  
failing (or starting to fail):

   * gfortran.dg/default_format_1.f90
   * gfortran.dg/default_format_2.f90
   * gfortran.dg/default_format_denormal_1.f90
   * gfortran.dg/default_format_denormal_2.f90

This would indicate an issue with the target printf() implementation,  
so if you spot these failures on your favorite target, please report  
them to the fortran@gcc.gnu.org mailing-list so that we can xfail them.

Thanks,
FX