X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pp_sys.c;h=6aa86455e89cda9af85587a5f16c8c4cd8cc7914;hb=503d18c3058e98ddac11e71da254c0d23141a243;hp=7770dc2730f1ee98ddfab41d946bc09da0006143;hpb=d686460631456fd94087dd18913a0b79995da976;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/pp_sys.c b/pp_sys.c
index 7770dc2..6aa8645 100644
--- a/pp_sys.c
+++ b/pp_sys.c
@@ -2012,7 +2012,12 @@ PP(pp_eof)
 		    IoLINES(io) = 0;
 		    IoFLAGS(io) &= ~IOf_START;
 		    do_open(gv, "-", 1, FALSE, O_RDONLY, 0, NULL);
-		    sv_setpvn(GvSV(gv), "-", 1);
+		    if ( GvSV(gv) ) {
+			sv_setpvn(GvSV(gv), "-", 1);
+		    }
+		    else {
+			GvSV(gv) = newSVpvn("-", 1);
+		    }
 		    SvSETMAGIC(GvSV(gv));
 		}
 		else if (!nextargv(gv))