From e90aabebafdd77f6f0dc6cf0b24db209e9442e31 Mon Sep 17 00:00:00 2001
From: Nicholas Clark <nick@ccl4.org>
Date: Thu, 13 Jan 2005 23:13:05 +0000
Subject: [PATCH] Use the new SV_NOSTEAL flag to avoid the SvTEMP dance in
 newSVsv

p4raw-id: //depot/perl@23797
---
 sv.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/sv.c b/sv.c
index b1edb2f..e9e0eca 100644
--- a/sv.c
+++ b/sv.c
@@ -7858,13 +7858,10 @@ Perl_newSVsv(pTHX_ register SV *old)
 	return Nullsv;
     }
     new_SV(sv);
-    if (SvTEMP(old)) {
-	SvTEMP_off(old);
-	sv_setsv(sv,old);
-	SvTEMP_on(old);
-    }
-    else
-	sv_setsv(sv,old);
+    /* SV_GMAGIC is the default for sv_setv()
+       SV_NOSTEAL prevents TEMP buffers being, well, stolen, and saves games
+       with SvTEMP_off and SvTEMP_on round a call to sv_setsv.  */
+    sv_setsv_flags(sv, old, SV_GMAGIC | SV_NOSTEAL);
     return sv;
 }
 
-- 
2.7.4