vr-values.c (vr_values::vr_values): Initialize to_remove_edges and…

vr-values.c (vr_values::vr_values): Initialize to_remove_edges and to_update_switch_stmts to vNULL instead of...

	* vr-values.c (vr_values::vr_values): Initialize to_remove_edges and
	to_update_switch_stmts to vNULL instead of calling create on them
	immediately.

From-SVN: r264567

gcc/ChangeLog

+2018-09-25  Jakub Jelinek  <jakub@redhat.com>
+
+	* vr-values.c (vr_values::vr_values): Initialize to_remove_edges and
+	to_update_switch_stmts to vNULL instead of calling create on them
+	immediately.
+
 2018-09-25  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/87402

gcc/vr-values.c

@@ -1919,8 +1919,8 @@ vr_values::vr_values () : vrp_value_range_pool ("Tree VRP value ranges")
   vr_value = XCNEWVEC (value_range *, num_vr_values);
   vr_phi_edge_counts = XCNEWVEC (int, num_ssa_names);
   bitmap_obstack_initialize (&vrp_equiv_obstack);
-  to_remove_edges.create (10);
-  to_update_switch_stmts.create (5);
+  to_remove_edges = vNULL;
+  to_update_switch_stmts = vNULL;
 }
 
 /* Free VRP lattice.  */