eval.c: singleton class constants

* eval.c (rb_mod_s_constants): return its own constants for other
  than Module itself.  [ruby-core:59763] [Bug #9413]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44628 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/eval.c b/eval.c
index 92fbceb1d9..c34dd2cdd9 100644
--- a/eval.c
+++ b/eval.c
@@ -378,8 +378,8 @@ rb_mod_s_constants(int argc, VALUE *argv, VALUE mod)
     VALUE cbase = 0;
     void *data = 0;
 
-    if (argc > 0) {
-	return rb_mod_constants(argc, argv, rb_cModule);
+    if (argc > 0 || mod != rb_cModule) {
+	return rb_mod_constants(argc, argv, mod);
     }
 
     while (cref) {