From d8c930dd06254f155e06872b64a6529cdb0232ab Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 25 Jun 2008 15:49:17 +0000
Subject: * parse.y (primary): not operand might be empty.  [ruby-dev:35227]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17574 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index 2d82b7b61c..bfc8cd9823 100644
--- a/parse.y
+++ b/parse.y
@@ -2621,6 +2621,14 @@ primary		: literal
 			$$ = dispatch2(unary, ripper_intern("not"), $3);
 		    %*/
 		    }
+		| keyword_not '(' rparen
+		    {
+		    /*%%%*/
+			$$ = NEW_LIT(Qtrue);
+		    /*%
+			$$ = dispatch2(unary, ripper_intern("not"), Qnil);
+		    %*/
+		    }
 		| operation brace_block
 		    {
 		    /*%%%*/
-- 
cgit v1.2.3