* array.c (flatten): returns an instance of same class.

[ruby-core:16554]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16190 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Apr 25 12:37:54 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* array.c (flatten): returns an instance of same class.
+	  [ruby-core:16554]
+
 Fri Apr 25 10:52:27 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* include/ruby/win32.h: define mode_t for umask.

array.c

@@ -2765,7 +2765,7 @@ flatten(VALUE ary, int level, int *modified)
     st_data_t id;
 
     stack = rb_ary_new();
-    result = rb_ary_new();
+    result = ary_new(rb_class_of(ary), RARRAY_LEN(ary));
     memo = st_init_numtable();
     st_insert(memo, (st_data_t)ary, (st_data_t)Qtrue);
     *modified = 0;