2013-04-12  Richard Biener  <rguenther@suse.de>

	* tree-pass.h (TODO_do_not_ggc_collect): New.
	* passes.c (execute_one_ipa_transform_pass): Honor
	TODO_do_not_ggc_collect.
	(execute_one_pass): Likewise.

	Revert
	2013-04-10  Richard Biener  <rguenther@suse.de>

	* passes.c (init_optimization_passes): Remove reload pass.
	* ira.c (do_reload): Merge into ...
	(ira): ... this.
	(rest_of_handle_reload): Remove.
	(pass_reload): Likewise.
	* config/i386/i386.c (ix86_option_override): Refer to ira instead
	of reload for vzeroupper pass placement.

	* g++.dg/pr55604.C: Use -fdump-rtl-ira.

From-SVN: r197865