constant_substring.f: New test.

        * gfortran.dg/constant_substring.f: New test.
        * gfortran.dg/pr22491.f: New test.

From-SVN: r102677

gcc/testsuite/ChangeLog

+2005-08-02  David Edelsohn  <edelsohn@gnu.org>
+
+	* gfortran.dg/constant_substring.f: New test.
+	* gfortran.dg/pr22491.f: New test.
+
 2005-08-02  Jan Hubicka  <jh@suse.cz>
 
 	* update-threading.c: Replace by the proper one.

gcc/testsuite/gfortran.dg/constant_substring.f

+! Simplify constant substring
+! { dg-do run }
+      character*2 a
+      character*4 b
+      character*6 c
+      parameter (a="12")
+      parameter (b = a(1:2))
+      write (c,'("#",A,"#")') b
+      if (c .ne. '#12  #') call abort
+      end
+

gcc/testsuite/gfortran.dg/pr22491.f

+! PR fortran/21730
+! { dg-do run }
+      character*2 a (1)
+      character*4 b (1)
+      character*6 c
+      parameter (a="12")
+      parameter (b = a)
+      write (c,'("#",A,"#")') b
+      if (c .ne. '#12  #') call abort
+      end
+