For the quote challenged 
perl -we " @a = qw!a b!;while (my $x = pop @a) { push @x, \$x; print \
+$x, q!: !, ($x || 0), qq!\n!; redo if 0 != @x % 3; };

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I believe the old behaviour is a bug, because $x isn't supposed to change

In reply to Re^2: What about if (my $var = foo()) { ... } by Anonymous Monk
in thread What about if (my $var = foo()) { ... } by Limbic~Region

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