n which version of Perl did that become true?
Since 5.8.4. 
$ perl583 -le '@a=(1,2); $r1 = \$a[0]; @a=sort@a; $r2 = \$a[0];print "
+yes"if $r1 == $r2'
$ perl584 -le '@a=(1,2); $r1 = \$a[0]; @a=sort@a; $r2 = \$a[0];print "
+yes"if $r1 == $r2'
yes
$

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Dave.

In reply to Re^3: Howto Avoid Memory Problem in List::MoreUtils by dave_the_m
in thread Howto Avoid Memory Problem in List::MoreUtils by Anonymous Monk

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