From 2ca2a4a43bb018bfd84fccc75e395c1f0e58acc6 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 21 Jun 2006 08:08:36 +0000
Subject: * parse.y (block_param): do not use multiple assignment for a sole  
 block parameter.  [ruby-dev:28710]

* eval.c (rb_yield_0): pass a raw yielded value to a sole block
  parameter if a value is passed by yield.

* eval.c (proc_invoke): args may not be an array.

* eval.c (rb_proc_yield): pass original value without wrapping
  it in an array.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10356 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index 3af47099ff..53b4df983a 100644
--- a/parse.y
+++ b/parse.y
@@ -2900,7 +2900,13 @@ block_param0	: mlhs_item
 block_param	: block_param0
 		    {
 		    /*%%%*/
-			$$ = NEW_MASGN($1, 0);
+                        if ($1->nd_alen == 1) {
+                            $$ = $1->nd_head;
+                            rb_gc_force_recycle((VALUE)$1);
+                        }
+                        else {
+                            $$ = NEW_MASGN($1, 0);
+                        }
 		    /*%
 			$$ = blockvar_new($1);
 		    %*/
-- 
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