re PR lto/43857 (-fresolution causes an ICE)

re PR lto/43857 (-fresolution causes an ICE)

2010-05-07  Richard Guenther <rguenther@suse.de>

	* gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
	the linker plugin.
	(store_arg): Queue temp_filename for deletion instead of
	the whole argument.

	lto/
	PR lto/43857
	PR lto/43371
	* lang.opt (fresolution): Change to ...
	(fresolution=): ... this.
	* lto-lang.c (lto_handle_option): Adjust.

	lto-plugin/
	* lto-plugin.c (free_2): Do not free resolution_file.
	(write_resolution): Check that we were passed a resolution file.
	(all_symbols_read_handler): Adjust.
	(cleanup_handler): Do not remove the resolution file.
	(process_option): Handle -fresolution=.

From-SVN: r159159