regcomp.c: Test that code block exists before cleaning
authorKarl Williamson <khw@cpan.org>
Fri, 19 Oct 2018 17:47:05 +0000 (11:47 -0600)
committerKarl Williamson <khw@cpan.org>
Sat, 20 Oct 2018 06:09:56 +0000 (00:09 -0600)
commit4c8117d3827c12973c9516055b2dcef5138533b1
tree55470fa716c783f8fa4623948ceb10417b7400e0
parente40c711d0c25d143bda13fc8ce188050d8d2ccf6
regcomp.c: Test that code block exists before cleaning

This is defensive coding progress, to avoid dereferencing a NULL ptr.
perl.h
regcomp.c