From 26ef79ca764308aafc052155f9b90d39f1d9c77a Mon Sep 17 00:00:00 2001
From: "Adrian M. Enache" <enache@rdslink.ro>
Date: Mon, 8 Dec 2003 03:30:16 +0000
Subject: [PATCH] plumb a leak with pos().

#! perl
while (1) {
	my $a = "\x{1ff}"; $a =~ /\x{1ff}/g; pos($a);
}
__END__

p4raw-id: //depot/perl@21866
---
 sv.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sv.c b/sv.c
index dc089b8..6f53c58 100644
--- a/sv.c
+++ b/sv.c
@@ -6056,7 +6056,8 @@ Perl_sv_pos_b2u(pTHX_ register SV* sv, I32* offsetp)
 	    assert(mg);
 
 	    if (!mg->mg_ptr) {
-		Newz(0, cache, PERL_MAGIC_UTF8_CACHESIZE * 2, STRLEN);
+		mg->mg_len = PERL_MAGIC_UTF8_CACHESIZE * 2;
+		Newz(0, cache, mg->mg_len, STRLEN);
 		mg->mg_ptr = (char *) cache;
 	    }
 	    assert(cache);
-- 
2.7.4