consider

  DB<7> *beyonce = sub { print "say my name, say my name" }

  DB<8> beyonce()
say my name, say my name
  DB<9>
[download]

this also works the other way round, you can read the sub-ref of a named sub and than destroy the name in the packages STASH:

  DB<21> sub kelly { print "say my name, say my name" }

  DB<22> $anosub = \&kelly

  DB<23> delete $main::{kelly}

  DB<24> $anosub->()
say my name, say my name
  DB<25> kelly()
Undefined subroutine &main::kelly called at (eval 34)[c:/Strawberry/pe
+rl/lib/perl5db.pl:738] line 2.
[download]

So where do you want to draw the line???

side-note

there are though block-compounds in Perl which can be confused with anonymous subs.

Maybe that's your misunderstanding, if you talk about "inlined subs" °?

for instance map-blocks are not ano-subs effecting return

  DB<19> sub tst { map { return $_ } 42..1e6 ; return "never executed"
+ }

  DB<20> p tst()
42
  DB<21>
[download]

But those map-like constructs in List::Util are implemented with ano-subs and won't allow returning from outer subs!

°) what does that even mean?