From 3264042eb9a6cfe4089f33ff4578328dcabcfb1d Mon Sep 17 00:00:00 2001
From: charliesome <charliesome@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 5 Jun 2013 11:32:07 +0000
Subject: add parentheses for clarity

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41087 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 include/ruby/ruby.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/ruby/ruby.h b/include/ruby/ruby.h
index dd140c3476..77fb1afa8d 100644
--- a/include/ruby/ruby.h
+++ b/include/ruby/ruby.h
@@ -345,7 +345,7 @@ rb_long2int_inline(long n)
 
 #define IMMEDIATE_P(x) ((VALUE)(x) & IMMEDIATE_MASK)
 
-#define SYMBOL_P(x) (((VALUE)(x)&~(~(VALUE)0<<RUBY_SPECIAL_SHIFT))==SYMBOL_FLAG)
+#define SYMBOL_P(x) (((VALUE)(x)&~((~(VALUE)0)<<RUBY_SPECIAL_SHIFT))==SYMBOL_FLAG)
 #define ID2SYM(x) (((VALUE)(x)<<RUBY_SPECIAL_SHIFT)|SYMBOL_FLAG)
 #define SYM2ID(x) RSHIFT((unsigned long)(x),RUBY_SPECIAL_SHIFT)
 
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