* eval.c (thgroup_add): no warning for terminated threads.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@4142 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 1 deletions

diff --git a/string.c b/string.c
index eb7b34744..08aa302aa 100644
--- a/string.c
+++ b/string.c
@@ -2557,7 +2557,11 @@ rb_str_split_m(argc, argv, str)
     if (rb_scan_args(argc, argv, "02", &spat, &limit) == 2) {
 	lim = NUM2INT(limit);
 	if (lim <= 0) limit = Qnil;
-	else if (lim == 1) return rb_ary_new3(1, str);
+	else if (lim == 1) {
+	    if (RSTRING(str)->len == 0)
+		return rb_ary_new2(0);
+	    return rb_ary_new3(1, str);
+	}
 	i = 1;
     }