No, it's the magic behind @_ and calling a subroutine that causes the aliasing. Normal arrays don't alias.

Another aliasing construct if for:

my $x = 1;
for my $y ($x) {
    $y++;
}
print $x;  # 2

[download]

See also Data::Alias .

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

[download]

In reply to Re^3: The @_ array and the lexical variables by choroba
in thread The @_ array and the lexical variables by G4143

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