2014-09-03  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (alloc_expression_id): Use quick_grow_cleared.
	(struct bb_bitmap_sets): Remove deferred member.
	(BB_DEFERRED): Remove.
	(defer_or_phi_translate_block): Remove.
	(compute_antic_aux): Remove deferring of blocks, assert
	proper iteration order.
	(compute_antic): Do not set BB_DEFERRED.
	(eliminate): Allocate el_avail of proper size initially.

From-SVN: r214864