Upgrade to podlators-2.2.0

[p5sagit/p5-mst-13.2.git] / pp.h

diff --git a/pp.h b/pp.h
index 7b5f322..6f0f258 100644 (file)
--- a/pp.h
+++ b/pp.h
@@ -1,7 +1,7 @@
 /*    pp.h
  *
- *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
- *    2001, 2002, 2003, 2004, 2005, 2006, 2007, by Larry Wall and others
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
+ *    2002, 2003, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -487,9 +487,9 @@ Does not use C<TARG>.  See also C<XPUSHu>, C<mPUSHu> and C<PUSHu>.
 
 /* SV* ref causes confusion with the member variable
    changed SV* ref to SV* tmpRef */
-#define RvDEEPCP(rv) STMT_START { SV* tmpRef=SvRV(rv);      \
-  if (SvREFCNT(tmpRef)>1) {                 \
-    SvRV_set(rv, AMG_CALLun(rv,copy)); \
+#define RvDEEPCP(rv) STMT_START { SV* tmpRef=SvRV(rv); SV* rv_copy;     \
+  if (SvREFCNT(tmpRef)>1 && (rv_copy = AMG_CALLun(rv,copy))) {          \
+    SvRV_set(rv, rv_copy);                 \
     SvREFCNT_dec(tmpRef);                   \
   } } STMT_END