From: gfx <gfuji@cpan.org>
Date: Mon, 17 Aug 2009 04:36:24 +0000 (+0900)
Subject: Add a comment.
X-Git-Tag: 0.92_01~21
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=3b7c6e11b98be9aafc1d31d328b17bd5753c6121;p=gitmo%2FClass-MOP.git

Add a comment.
---

diff --git a/xs/Package.xs b/xs/Package.xs
index 1086e21..06e93ed 100644
--- a/xs/Package.xs
+++ b/xs/Package.xs
@@ -346,6 +346,10 @@ CODE:
                 && isGV(CvGV(subr))
                 && strEQ(GvNAME(CvGV(subr)), "__ANON__")){
 
+                /* NOTE:
+                    A gv "has-a" cv, but a cv refers to a gv as a (pseudo) weak ref.
+                    so we can replace CvGV with no SvREFCNT_inc/dec.
+                */
                 CvGV(subr) = gv;
                 CvANON_off(subr);
             }