re PR c++/35336 (Broken diagnostic: 'bit_field_ref' not supported by dump_expr)

re PR c++/35336 (Broken diagnostic: 'bit_field_ref' not supported by dump_expr)

2008-03-05  Richard Guenther  <rguenther@suse.de>

	PR c++/35336
	* tree.def (BIT_FIELD_REF): Document that operands 1 and 2
	should be constants.
	* tree-cfg.c (verify_expr): Verify it.
	* fold-const.c (fold_truthop): Remove code generating
	BIT_FIELD_REFs of structure bases.
	(fold_binary): Likewise.
	(fold_ternary): Position and size of BIT_FIELD_REFs are
	always host integers.
	(make_bit_field_ref): Remove.
	(optimize_bit_field_compare): Remove.
	(all_ones_mask_p): Remove.

From-SVN: r132894