matz	2009-01-27 03:48:47 +0900 (Tue, 27 Jan 2009)

  New Revision: 21785

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=21785

  Log:
    * hash.c (rb_any_hash): fixed performance issues with nil, true,
      false as hash keys.  a patch from Matthias Waechter.  
      [ruby-core:21568]

  Modified files:
    trunk/ChangeLog
    trunk/hash.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 21784)
+++ ChangeLog	(revision 21785)
@@ -1,3 +1,9 @@
+Tue Jan 27 03:43:34 2009  Yukihiro Matsumoto  <matz@r...>
+
+	* hash.c (rb_any_hash): fixed performance issues with nil, true,
+	  false as hash keys.  a patch from Matthias Waechter.  
+	  [ruby-core:21568]
+
 Tue Jan 27 03:23:43 2009  Yukihiro Matsumoto  <matz@r...>
 
 	* lib/mkmf.rb (create_makefile): should point correct path to
Index: hash.c
===================================================================
--- hash.c	(revision 21784)
+++ hash.c	(revision 21785)
@@ -69,6 +69,9 @@
     switch (TYPE(a)) {
       case T_FIXNUM:
       case T_SYMBOL:
+      case T_NIL:
+      case T_FALSE:
+      case T_TRUE:
 	hnum = (int)a;
 	break;
 

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