(byte-compile-defalias):

(byte-compile-defalias):
Turn off warnings for the new function even ifdefinition not constant.
If the definition isn't a quoted symbol, record (FUNCTION . t).
(byte-compile-function-environment): Now allow (FUNCTION . t) as elt.
(byte-compile-callargs-warn): Handle (FUNCTION . t).
(display-call-tree, byte-compile-arglist-warn):
Handle t returned by byte-compile-fdefinition.