Add file forgotten in commit Rev. 162500

2010-07-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40011
        * gfortran.dg/whole_file_21.f90: New.

From-SVN: r162531

gcc/testsuite/gfortran.dg/whole_file_21.f90

+! { dg-do link }
+! PR fortran/40011
+!
+! Contributed by Joost VandeVondele
+!
+!
+! Before no "one" function was generated with -fwhole-file.
+!
+!
+SUBROUTINE one ( )
+END SUBROUTINE one
+
+SUBROUTINE two ( )
+END SUBROUTINE two
+
+MODULE mod
+CONTAINS
+  SUBROUTINE three ( )
+    CALL two ( )
+  END SUBROUTINE three
+  SUBROUTINE four ( )
+      CALL one ( )
+  END SUBROUTINE four
+END MODULE mod
+END
+
+! { dg-final { cleanup-modules "m" } }