matz	2008-02-06 01:51:30 +0900 (Wed, 06 Feb 2008)

  New Revision: 15383

  Modified files:
    trunk/ChangeLog
    trunk/hash.c

  Log:
    * hash.c (rb_hash_flatten): do not flatten recursively by default.
      [ruby-dev:33603]

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/hash.c?r1=15383&r2=15382&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15383&r2=15382&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 15382)
+++ ChangeLog	(revision 15383)
@@ -1,3 +1,8 @@
+Wed Feb  6 01:47:39 2008  Yukihiro Matsumoto  <matz@r...>
+
+	* hash.c (rb_hash_flatten): do not flatten recursively by default.
+	  [ruby-dev:33603]
+
 Wed Feb  6 00:50:19 2008  NAKAMURA Usaku  <usa@r...>
 
 	* insns.def (adjuststack): never use INC_SP with minus value because
Index: hash.c
===================================================================
--- hash.c	(revision 15382)
+++ hash.c	(revision 15383)
@@ -1673,6 +1673,11 @@
     VALUE ary;
 
     ary = rb_hash_to_a(hash);
+    if (argc == 0) {
+	argc = 1;
+	tmp = INT2FIX(1);
+	argv = &tmp;
+    }
     rb_funcall2(ary, rb_intern("flatten!"), argc, argv);
     return ary;
 }

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