* calls.c (expand_call): Simplify noreturn call.

	PR c/7344
	* cfgbuild.c (make_edges): Create edge cache when we do have
	large jumptable.
	(do_tablejump): Note size of maximal jumptable.
	* function.c (prepare_function_start): Zero out size.
	* function.h (function): Add max_jumptable_ents.

	* cfgcleanup.c (insn_match_p): Verify sibcall flag for calls to.

From-SVN: r58063