* load.c (rb_f_autoload): prevent to autoload for singleton

  classes.  fixes [Bug #4886] [ruby-dev:43816]
* bootstraptest/test_autoload.rb: add tests for the above change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32489 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/load.c b/load.c
index b819bf37f9..62e2cac4c6 100644
--- a/load.c
+++ b/load.c
@@ -722,7 +722,7 @@ rb_mod_autoload_p(VALUE mod, VALUE sym)
 static VALUE
 rb_f_autoload(VALUE obj, VALUE sym, VALUE file)
 {
-    VALUE klass = rb_vm_cbase();
+    VALUE klass = rb_class_real(rb_vm_cbase());
     if (NIL_P(klass)) {
 	rb_raise(rb_eTypeError, "Can not set autoload on singleton class");
     }