[Bug fortran/56408] Fix dependency handling of testsuite/gfortran.dg

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56408

Dominique d'Humieres <dominiq at lps dot ens.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2014-09-13
     Ever confirmed|0                           |1

--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Related to the thread 

[PATCH] gcc parallel make check

especially https://gcc.gnu.org/ml/fortran/2014-09/msg00114.html.