* doc/invoke.texi (Wsuggest-attribute): Document.
(Wmissing-noreturn): Remove.
* ipa-pure-const.c (warn_function_noreturn): New function.
* opts.c (decode_options): Set warn_suggest_attribute_noreturn on
warn_missing_noreturn.
* common.opt (Wsuggest-attribute=noreturn): New.
* tree-flow.h (warn_function_noreturn): Declare.
* tree-cfg.c (execute_warn_function_noreturn): Use
warn_function_noreturn.
(gate_warn_function_noreturn): New.
(pass_warn_function_noreturn): Update.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@160606
138bc75d-0d04-0410-961f-
82ee72b054a4