Okay, so the result for "five" isn't correct... looks like there really may be a bug somewhere.

This is a bug. The result for "five" should be "inner 1: five". The code reference is still in place, but the warn vector seems to be clobbered by the aliasing of %SIG inside the scope of the previous block. Commenting out the local %SIG; line makes the line warn "five\n"; work as expected.

Update: I filed a bug report. Thanks, Anonymous Monk.

perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'

In reply to Re^5:Localizing %SIG by shmem
in thread Localizing %SIG by Darkwing

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