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Re: Odd behaviour of chomp()

by dave_the_m (Monsignor)
on Oct 20, 2015 at 10:58 UTC ( #1145408=note: print w/replies, xml ) Need Help??

in reply to Odd behaviour of chomp()

It's a bug that's been fixed in 5.22.0.

From perl5220delta.pod:

Assignment to a lexical scalar is often optimised away; for example in C<my $x; $x = $y + $z>, the assign operator is optimised away and the +add operator writes its result directly to C<$x>. Various bugs related to this optimisation have been fixed. Certain operators on the right-han +d side would sometimes fail to assign the value at all or assign the wro +ng value, or would call STORE twice or not at all on tied variables. The operators affected were C<$foo++>, C<$foo-->, and C<-$foo> under C<use integer>, C<chomp>, C<chr> and C<setpgrp>.


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