re PR fortran/50554 (INQUIRE cannot redefine DO index (r178939))

2013-07-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50554
        * io.c (match_inquire_element): Add missing do-var check.

2013-07-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50554
        * gfortran.dg/do_check_9.f90: New.

From-SVN: r200790

gcc/fortran/ChangeLog

 2013-07-08  Tobias Burnus  <burnus@net-b.de>
 
+	PR fortran/50554
+	* io.c (match_inquire_element): Add missing do-var check.
+
+2013-07-08  Tobias Burnus  <burnus@net-b.de>
+
 	PR fortran/57785
 	* simplify.c (compute_dot_product): Complex conjugate for
 	dot_product.

gcc/fortran/io.c

@@ -3890,12 +3890,12 @@ match_inquire_element (gfc_inquire *inquire)
   RETM m = match_vtag (&tag_s_async, &inquire->asynchronous);
   RETM m = match_vtag (&tag_s_delim, &inquire->delim);
   RETM m = match_vtag (&tag_s_decimal, &inquire->decimal);
-  RETM m = match_vtag (&tag_size, &inquire->size);
+  RETM m = match_out_tag (&tag_size, &inquire->size);
   RETM m = match_vtag (&tag_s_encoding, &inquire->encoding);
   RETM m = match_vtag (&tag_s_round, &inquire->round);
   RETM m = match_vtag (&tag_s_sign, &inquire->sign);
   RETM m = match_vtag (&tag_s_pad, &inquire->pad);
-  RETM m = match_vtag (&tag_iolength, &inquire->iolength);
+  RETM m = match_out_tag (&tag_iolength, &inquire->iolength);
   RETM m = match_vtag (&tag_convert, &inquire->convert);
   RETM m = match_out_tag (&tag_strm_out, &inquire->strm_pos);
   RETM m = match_vtag (&tag_pending, &inquire->pending);

gcc/testsuite/ChangeLog

 2013-07-08  Tobias Burnus  <burnus@net-b.de>
 
+	PR fortran/50554
+	* gfortran.dg/do_check_9.f90: New.
+
+2013-07-08  Tobias Burnus  <burnus@net-b.de>
+
 	PR fortran/57785
 	* gfortran.dg/dot_product_2.f90: New.
 

gcc/testsuite/gfortran.dg/do_check_9.f90

+! { dg-do compile }
+!
+! PR fortran/50554
+!
+! Contributed by Vittorio Zecca
+!
+! INQUIRE cannot redefine DO index
+!
+      do I=1,10 ! { dg-error "cannot be redefined inside loop beginning at" }
+       inquire(iolength=I) n ! { dg-error "cannot be redefined inside loop beginning at" }
+       inquire(99,size=I) ! { dg-error "cannot be redefined inside loop beginning at" }
+       read(99,'(i4)',size=I,advance="no") n ! { dg-error "cannot be redefined inside loop beginning at" }
+      end do
+      end