8234541: C1 emits an empty message when it inlines successfully
Summary: Use "inline" as the message when successfull
Reviewed-by: thartmann, mdoerr
Contributed-by: navy.xliu@gmail.com
js1->foo
js2->foo
js3->foo
handler->foo
js1->foo
js2->foo
js3->foo
all-new-handler->foo