From 587afe728b55eacb8ed8dbf8db2f092625f18063 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 16 Dec 2008 00:16:46 +0000
Subject: * parse.y (block_call): block should not be given to yield.  
 [ruby-core:20583]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20770 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index 2cf9006104..6983a2cdb2 100644
--- a/parse.y
+++ b/parse.y
@@ -3497,7 +3497,12 @@ do_block	: keyword_do_block
 block_call	: command do_block
 		    {
 		    /*%%%*/
-			block_dup_check($1->nd_args, $2);
+			if (nd_type($1) == NODE_YIELD) {
+			    compile_error(PARSER_ARG "block given to yield");
+			}
+			else {
+			    block_dup_check($1->nd_args, $2);
+			}    
 			$2->nd_iter = $1;
 			$$ = $2;
 			fixpos($$, $1);
-- 
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