From: Nicholas Clark <nick@ccl4.org>
Date: Tue, 14 Oct 2008 21:16:05 +0000 (+0000)
Subject: Yet another [ACGHS]V pointer in the interpreter structure that needs to
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=e7fab88422313b73647d6da244e7b2044d28280d;p=p5sagit%2Fp5-mst-13.2.git

Yet another [ACGHS]V pointer in the interpreter structure that needs to
be reset if its SV is freed. (see change 22688 (30952)).
A real live bug found by Slaven and Andreas whilst smoking maint-5.8.x.
I guess that we should audit the interpreter structure for any others.

p4raw-id: //depot/perl@34479
---

diff --git a/sv.c b/sv.c
index e39a2c9..33aa8ec 100644
--- a/sv.c
+++ b/sv.c
@@ -5485,6 +5485,9 @@ Perl_sv_clear(pTHX_ register SV *const sv)
 	cv_undef((CV*)sv);
 	goto freescalar;
     case SVt_PVHV:
+	if (PL_last_swash_hv == (HV*)sv) {
+	    PL_last_swash_hv = NULL;
+	}
 	Perl_hv_kill_backrefs(aTHX_ (HV*)sv);
 	hv_undef((HV*)sv);
 	break;