re PR fortran/70006 (Duplicate errors "label not defined")

2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/70006
	* io.c (gfc_resolve_dt): Use correct locus.
	* resolve.c (resolve_branch): Ditto.

2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/70006
	* gfortran.dg/pr70006.f90: New test.

From-SVN: r238905

gcc/fortran/ChangeLog

 2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/70006
+	* io.c (gfc_resolve_dt): Use correct locus.
+	* resolve.c (resolve_branch): Ditto.
+
+2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/71730
 	* decl.c (char_len_param_value): Check return value of
 	gfc_reduce_init_expr().

gcc/fortran/io.c

@@ -3052,7 +3052,7 @@ gfc_resolve_dt (gfc_dt *dt, locus *loc)
       && dt->format_label->defined == ST_LABEL_UNKNOWN)
     {
       gfc_error ("FORMAT label %d at %L not defined", dt->format_label->value,
-		 &dt->format_label->where);
+		 loc);
       return false;
     }
 

gcc/fortran/resolve.c

@@ -8966,7 +8966,7 @@ resolve_branch (gfc_st_label *label, gfc_code *code)
   if (label->defined == ST_LABEL_UNKNOWN)
     {
       gfc_error ("Label %d referenced at %L is never defined", label->value,
-		 &label->where);
+		 &code->loc);
       return;
     }
 

gcc/testsuite/ChangeLog

 2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/70006
+	* gfortran.dg/pr70006.f90: New test.
+
+2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/71730
 	* gfortran.dg/pr71730.f90: New test.
 	* gfortran.dg/bounds_check_strlen_2.f90: Fix invalid code.

gcc/testsuite/gfortran.dg/pr70006.f90

+! { dg-do compile}
+program test
+   print 1, 'string 1' ! { dg-error "FORMAT label 1" " " { target *-*-* } 3 }
+   print 1, 'string 2' ! { dg-error "FORMAT label 1" " " { target *-*-* } 4 }
+!1 format(a)
+   goto 2 ! { dg-error "Label 2 referenced" " " { target *-*-* } 6 }
+   goto 2 ! { dg-error "Label 2 referenced" " " { target *-*-* } 7 }
+!2 continue
+end program