[perl #77096] Deparse return and do without llafr

[perl #77096] Deparse return and do without llafr

‘return’ and ‘do-file’ are exempt from the ‘looks-like-a-function
rule’ (llafr).

B::Deparse was intentionally ignoring that:

While it might produce nice-looking code, the final code compiles dif-
ferently in many cases, so we simply cannot ignore these ops’ disre-
gard for that rule.