From 5962645829c856afb7dcc9e2bd62a086f6c1e71b Mon Sep 17 00:00:00 2001
From: simonmar <unknown>
Date: Tue, 2 Aug 2005 12:01:57 +0000
Subject: [PATCH] [project @ 2005-08-02 12:01:57 by simonmar] Allow an empty
 list of volatile regs on a call

---
 ghc/compiler/cmm/CmmParse.y |    1 +
 1 file changed, 1 insertion(+)

diff --git a/ghc/compiler/cmm/CmmParse.y b/ghc/compiler/cmm/CmmParse.y
index e81d34c..45f411b 100644
--- a/ghc/compiler/cmm/CmmParse.y
+++ b/ghc/compiler/cmm/CmmParse.y
@@ -295,6 +295,7 @@ bool_op :: { ExtFCode BoolExpr }
 -- This is not C-- syntax.  What to do?
 vols 	:: { Maybe [GlobalReg] }
 	: {- empty -}			{ Nothing }
+	| '[' ']'		        { Just [] }
 	| '[' globals ']'		{ Just $2 }
 
 globals :: { [GlobalReg] }
-- 
1.7.10.4