@a = map { $_ = 3; } [];

[download]

is no more or less junk than 

@a = map { $_ = 3; } $x.$y;

[download]

Are you therefore talking about [] + 1? Making the reference read-only is not going to catch that.

In reply to Re^6: Shouldn't references be readonly? (updated) by ikegami
in thread Shouldn't LITERAL references be readonly? (updated) by LanX

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