X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=doop.c;h=5cce7edeb963fecf18556bc7a094810df4b3260b;hb=1ff5bc37303d3f603211be08e5e01dac62fcfa6c;hp=23662d7f2c011815586f05a69a97adf051152d78;hpb=f1f66076265cc2bac3adabd54c01b0dea28ca3f0;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/doop.c b/doop.c
index 23662d7..5cce7ed 100644
--- a/doop.c
+++ b/doop.c
@@ -1,7 +1,7 @@
 /*    doop.c
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- *    2001, 2002, 2004, 2005, 2006, 2007, 2008, by Larry Wall and others
+ *    2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009 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.
@@ -9,7 +9,9 @@
  */
 
 /*
- * "'So that was the job I felt I had to do when I started,' thought Sam."
+ *  'So that was the job I felt I had to do when I started,' thought Sam.
+ *
+ *     [p.934 of _The Lord of the Rings_, VI/iii: "Mount Doom"]
  */
 
 /* This file contains some common functions needed to carry out certain
@@ -201,10 +203,6 @@ S_do_trans_complex(pTHX_ SV * const sv)
 	if (complement && !del)
 	    rlen = tbl[0x100];
 
-#ifdef MACOS_TRADITIONAL
-#define comp CoMP   /* "comp" is a keyword in some compilers ... */
-#endif
-
 	if (PL_op->op_private & OPpTRANS_SQUASH) {
 	    UV pch = 0xfeedface;
 	    while (s < send) {
@@ -1229,7 +1227,13 @@ Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
 
     if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
 	sv_setpvs(sv, "");	/* avoid undef warning on |= and ^= */
-    lsave = lc = SvPV_nomg_const(left, leftlen);
+    if (sv == left) {
+	lsave = lc = SvPV_force_nomg(left, leftlen);
+    }
+    else {
+	lsave = lc = SvPV_nomg_const(left, leftlen);
+	SvPV_force_nomg_nolen(sv);
+    }
     rsave = rc = SvPV_nomg_const(right, rightlen);
 
     /* This need to come after SvPV to ensure that string overloading has