avoid literal 'undef' in $lddlflags under `Configure -Uoptimize`

[perl5.git] / doop.c

diff --git a/doop.c b/doop.c
index 2a032d9..b93223f 100644 (file)
--- a/doop.c
+++ b/doop.c
@@ -1,6 +1,6 @@
 /*    doop.c
  *
- *    Copyright (c) 1991-1997, Larry Wall
+ *    Copyright (c) 1991-1999, Larry Wall
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
@@ -921,7 +921,8 @@ do_vop(I32 optype, SV *sv, SV *left, SV *right)
     len = leftlen < rightlen ? leftlen : rightlen;
     lensave = len;
     if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
-       dc = SvPV_force(sv, PL_na);
+       STRLEN n_a;
+       dc = SvPV_force(sv, n_a);
        if (SvCUR(sv) < len) {
            dc = SvGROW(sv, len + 1);
            (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);