configure.ac: Add types checking to stage1 checking flags.

2007-07-26  Richard Guenther  <rguenther@suse.de>

	toplev/
	* configure.ac: Add types checking to stage1 checking flags.
	* configure: Regenerate.

        gcc/
	* tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
	verify_gimple_min_lval, verify_gimple_reference, verify_gimple_expr,
	verify_gimple_modify_stmt, verify_gimple_stmt, verify_gimple_1,
	verify_gimple): New functions.
	* tree-flow.h (verify_gimple): Declare.
	(verify_gimple_1): Declare.
	* gimplify.c (cpt_same_type): Remove.
	(gimplify_addr_expr): Remove checking code.
	(check_pointer_types_r): Remove.
	(gimplify_body): Call verify_gimple_1 instead of check_pointer_types_r.
	Only verify if there were no errors.
	* configure.ac: Add types checking flag.
	* configure: Regenerate.
	* config.in: Regenerate.

From-SVN: r126951