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Disable const repl optimisation for empty pattern
authorFather Chrysostomos <sprout@cpan.org>
Fri, 12 Oct 2012 05:51:44 +0000 (22:51 -0700)
committerFather Chrysostomos <sprout@cpan.org>
Fri, 12 Oct 2012 06:07:37 +0000 (23:07 -0700)
s//$a/ cannot assume that the $a expression is going to return the
same value at each iteration, because the last-used pattern may con-
tain code blocks that clobber *a.


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