It looks like a bug. I get the buggy behaviour on 5.6.1 (<samp>This is perl, v5.6.1 built for sun4-solaris</samp>), but
not on 5.005_03 (<samp>This is perl, version 5.005_03 built for sun4-solaris</samp>).
I think we need abigail-II...
Update
I get the same results (no error message, i.e. the bug is exercised) with v5.6.1 on i686-linux, IP27-irix and alpha-dec_osf.
(Temporary) update2
particle suggests I mention, until the editors fix the node title, that it's really strange behaviour of use strict 'subs': it relates to the use of a bareword.
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