it would be nice to have a "code not reachable" message

There isn't such a check for post-exit(), but Perl::Critic definitely has a rule for pre-use strict;. I guess one could write a rule that ignored subroutines...

Hmm,

Perl::Critic::Policy::ControlStructures::ProhibitUnreachableCode - Don't write code after an unconditional die, exit, or next.

Perl::Critic::Policy::Modules::ProhibitExcessMainComplexity - Minimize complexity in code that is outside of subroutines.

In reply to Re^3: exit this way by Anonymous Monk
in thread exit this way by ExReg

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