regcomp.c: Guard against corrupting inversion list SV
authorKarl Williamson <khw@cpan.org>
Tue, 23 Feb 2016 21:00:23 +0000 (14:00 -0700)
committerKarl Williamson <khw@cpan.org>
Wed, 24 Feb 2016 06:59:30 +0000 (23:59 -0700)
commitf0c0c5adc5daeb0fbad1b23dca12ba5c46560a16
treea7c5f0d08e7204697079269f77bbcc41c128aa16
parentea99f9ada5de06993fcf40478fcde588dd0c7be7
regcomp.c: Guard against corrupting inversion list SV

I don't know of any cases where this happens, but in working on the next
commit I triggered a problem with shrinking an inversion list so much
that the required 0 UV at the beginning was freed.
embed.fnc
proto.h
regcomp.c