re PR tree-optimization/21639 (poisoned ggc memory used for -ftree-vectorize)

	PR tree-optimization/21639
        * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.

From-SVN: r100313

gcc/ChangeLog

+2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
+
+	PR tree-optimization/21639
+	* tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
+
 2005-05-29  Jan Hubicka  <jh@suse.cz>
 
 	PR tree-optimization/21562

gcc/tree-complex.c

@@ -1051,7 +1051,7 @@ struct tree_opt_pass pass_lower_vector_ssa =
   0,					/* properties_destroyed */
   0,					/* todo_flags_start */
   TODO_dump_func | TODO_update_ssa	/* todo_flags_finish */
-    | TODO_ggc_collect | TODO_verify_ssa
+    | TODO_verify_ssa
     | TODO_verify_stmts | TODO_verify_flow,
   0					/* letter */
 };