From: Rafael Garcia-Suarez <rgarciasuarez@gmail.com>
Date: Mon, 7 Aug 2006 14:10:15 +0000 (+0000)
Subject: We shouldn't try to decrement the refcount of PL_warnhook
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=9289f461126f104eef437e7c6d2f1f640f935646;p=p5sagit%2Fp5-mst-13.2.git

We shouldn't try to decrement the refcount of PL_warnhook
if it has been set to PERL_WARNHOOK_FATAL.

p4raw-id: //depot/perl@28669
---

diff --git a/mg.c b/mg.c
index 8e00fb2..3f2fd5a 100644
--- a/mg.c
+++ b/mg.c
@@ -1384,7 +1384,8 @@ Perl_magic_setsig(pTHX_ SV *sv, MAGIC *mg)
 	    Perl_croak(aTHX_ "No such hook: %s", s);
 	i = 0;
 	if (*svp) {
-	    to_dec = *svp;
+	    if (*svp != PERL_WARNHOOK_FATAL)
+		to_dec = *svp;
 	    *svp = NULL;
 	}
     }