* ipa-inline-analysis.c (redirect_to_unreachable): New function.

	* ipa-inline-analysis.c (redirect_to_unreachable): New function.
	(edge_set_predicate): Use it to mark unreachable edges.
	(inline_summary_t::duplicate): Remove unnecesary code.
	(remap_edge_summaries): Likewise.
	(dump_inline_summary): Report contains_cilk_spawn.
	(compute_inline_parameters): Compute contains_cilk_spawn.
	(inline_read_section, inline_write_summary): Stream
	contains_cilk_spawn.
	* ipa-inline.c (can_inline_edge_p): Do not tuch
	DECL_STRUCT_FUNCTION that may not be available;
	use CIF_CILK_SPAWN for cilk; fix optimization attribute checks;
	remove check for callee_fun->can_throw_non_call_exceptions and
	replace it by optimization attribute check; check for flag_exceptions.
	* ipa-inline-transform.c (inline_call): Maintain
	DECL_FUNCTION_PERSONALITY
	* ipa-inline.h (inline_summary): Add contains_cilk_spawn.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@221706 138bc75d-0d04-0410-961f-82ee72b054a4