re PR fortran/60543 (Function with side effect removed by the optimizer.)

2014-03-19  Tobias Burnus  <burnus@net-b.>

        PR fortran/60543
        * io.c (check_io_constraints): Use gfc_unset_implicit_pure.
        * resolve.c (resolve_ordinary_assign): Ditto.

From-SVN: r208693

gcc/fortran/ChangeLog

+2014-03-19  Tobias Burnus  <burnus@net-b.>
+
+	PR fortran/60543
+	* io.c (check_io_constraints): Use gfc_unset_implicit_pure.
+	* resolve.c (resolve_ordinary_assign): Ditto.
+
 2014-03-19  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/60543

gcc/fortran/io.c

@@ -3259,9 +3259,8 @@ if (condition) \
 		     "an internal file in a PURE procedure",
 		     io_kind_name (k));
 
-      if (gfc_implicit_pure (NULL) && (k == M_READ || k == M_WRITE))
-	gfc_current_ns->proc_name->attr.implicit_pure = 0;
-
+      if (k == M_READ || k == M_WRITE)
+	gfc_unset_implicit_pure (NULL);
     }
 
   if (k != M_READ)

gcc/fortran/resolve.c

@@ -9165,7 +9165,7 @@ resolve_ordinary_assign (gfc_code *code, gfc_namespace *ns)
       if (lhs->expr_type == EXPR_VARIABLE
 	    && lhs->symtree->n.sym != gfc_current_ns->proc_name
 	    && lhs->symtree->n.sym->ns != gfc_current_ns)
-	gfc_current_ns->proc_name->attr.implicit_pure = 0;
+	gfc_unset_implicit_pure (NULL);
 
       if (lhs->ts.type == BT_DERIVED
 	    && lhs->expr_type == EXPR_VARIABLE
@@ -9173,11 +9173,11 @@ resolve_ordinary_assign (gfc_code *code, gfc_namespace *ns)
 	    && rhs->expr_type == EXPR_VARIABLE
 	    && (gfc_impure_variable (rhs->symtree->n.sym)
 		|| gfc_is_coindexed (rhs)))
-	gfc_current_ns->proc_name->attr.implicit_pure = 0;
+	gfc_unset_implicit_pure (NULL);
 
       /* Fortran 2008, C1283.  */
       if (gfc_is_coindexed (lhs))
-	gfc_current_ns->proc_name->attr.implicit_pure = 0;
+	gfc_unset_implicit_pure (NULL);
     }
 
   /* F2008, 7.2.1.2.  */