From 1b5aaca661f906a9b324afb51b7af8727497f276 Mon Sep 17 00:00:00 2001 From: Father Chrysostomos Date: Fri, 29 Jun 2012 22:16:22 -0700 Subject: [PATCH] pad.c: Update comments --- pad.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/pad.c b/pad.c index 1870ab6..c569e18 100644 --- a/pad.c +++ b/pad.c @@ -1923,10 +1923,12 @@ Perl_cv_clone(pTHX_ CV *proto) assert(!CvUNIQUE(proto)); - /* Since cloneable anon subs can be nested, CvOUTSIDE may point + /* Anonymous subs have a weak CvOUTSIDE pointer, so its value is not + * reliable. The currently-running sub is always the one we need to + * close over. + * Note that in general for formats, CvOUTSIDE != find_runcv. + * Since formats may be nested inside closures, CvOUTSIDE may point * to a prototype; we instead want the cloned parent who called us. - * Note that in general for formats, CvOUTSIDE != find_runcv; formats - * inside closures, however, only work if CvOUTSIDE == find_runcv. */ if (SvTYPE(proto) == SVt_PVCV) -- 2.7.4