4 files changed, 27 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index afb49566b7..e4ad5578dc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri May 15 15:15:12 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* variable.c (rb_autoload_load): checks if iv_tbl is valid.
+	  [ruby-dev:38456]
+
 Sat May 16 09:19:16 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (magic_comment_encoding): use rb_compile_warning() to
diff --git a/bootstraptest/test_class.rb b/bootstraptest/test_class.rb
index ad2844106f..a7f6d4df47 100644
--- a/bootstraptest/test_class.rb
+++ b/bootstraptest/test_class.rb
@@ -144,3 +144,9 @@ assert_equal '3', %q{
   }
   $i
 }
+
+assert_match /::C\z/, %q{
+  c = nil
+  Module.new{|m| c = class m::C; name; end}
+  c
+}, '[ruby-dev:38456]'
diff --git a/variable.c b/variable.c
index 8b4acc8c7c..5ce48ca872 100644
--- a/variable.c
+++ b/variable.c
@@ -1430,11 +1430,23 @@ autoload_node(VALUE mod, ID id, int noload)
     return 0;
 }
 
+static NODE *
+autoload_node_ptr(VALUE mod, ID id)
+{
+    struct st_table *tbl = RCLASS_IV_TBL(mod);
+    st_data_t val;
+
+    if (!tbl || !st_lookup(tbl, id, &val) || val != Qundef) {
+	return 0;
+    }
+    return autoload_node(mod, id, 0);
+}
+
 VALUE
 rb_autoload_load(VALUE klass, ID id)
 {
     VALUE file;
-    NODE *load = autoload_node(klass, id, 0);
+    NODE *load = autoload_node_ptr(klass, id);
 
     if (!load) return Qfalse;
     file = load->nd_lit;
@@ -1444,15 +1456,10 @@ rb_autoload_load(VALUE klass, ID id)
 VALUE
 rb_autoload_p(VALUE mod, ID id)
 {
-    struct st_table *tbl = RCLASS_IV_TBL(mod);
-    st_data_t val;
-    NODE *load;
     VALUE file;
+    NODE *load = autoload_node_ptr(mod, id);
 
-    if (!tbl || !st_lookup(tbl, id, &val) || val != Qundef) {
-	return Qnil;
-    }
-    load = autoload_node(mod, id, 0);
+    if (!load) return Qnil;
     return load && (file = load->nd_lit) ? file : Qnil;
 }
 
diff --git a/version.h b/version.h
index aba88b849f..9f9a20b6cd 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "1.9.1"
 #define RUBY_RELEASE_DATE "2009-05-12"
-#define RUBY_PATCHLEVEL 140
+#define RUBY_PATCHLEVEL 141
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1