re PR fortran/53597 (F95/F2003 constraint no longer triggers: un-SAVED…

re PR fortran/53597 (F95/F2003 constraint no longer triggers: un-SAVED default-initialized module variable)

2012-06-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/53597
        * decl.c (match_attr_spec): Only mark module variables
        as SAVE_IMPLICIT for Fortran 2008 and later.

2012-06-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/53597
        * gfortran.dg/save_4.f90: New.

From-SVN: r188506

gcc/fortran/ChangeLog

+2012-06-13  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/53597
+	* decl.c (match_attr_spec): Only mark module variables
+	as SAVE_IMPLICIT for Fortran 2008 and later.
+
 2012-06-08  Janus Weil  <janus@gcc.gnu.org>
 
 	PR fortran/52552

gcc/fortran/decl.c

@@ -3810,8 +3810,9 @@ match_attr_spec (void)
 	}
     }
 
-  /* Module variables implicitly have the SAVE attribute.  */
-  if (gfc_current_state () == COMP_MODULE && !current_attr.save)
+  /* Since Fortran 2008 module variables implicitly have the SAVE attribute.  */
+  if (gfc_current_state () == COMP_MODULE && !current_attr.save
+      && (gfc_option.allow_std & GFC_STD_F2008) != 0)
     current_attr.save = SAVE_IMPLICIT;
 
   colon_seen = 1;

gcc/testsuite/ChangeLog

+2012-06-13  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/53597
+	* gfortran.dg/save_4.f90: New.
+
 2012-06-12  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c/53532

gcc/testsuite/gfortran.dg/save_4.f90

+! { dg-do compile }
+! { dg-options "-std=f2003" }
+!
+! PR fortran/53597
+!
+MODULE somemodule
+  IMPLICIT NONE
+  TYPE sometype
+    INTEGER :: i
+    DOUBLE PRECISION, POINTER, DIMENSION(:,:) :: coef => NULL()
+  END TYPE sometype
+  TYPE(sometype) :: somevariable ! { dg-error "Fortran 2008: Implied SAVE for module variable 'somevariable' at .1., needed due to the default initialization" }
+END MODULE somemodule