From a9fafc6504ebccdc0fee3d2529c3fe6068cc86b8 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Sun, 28 Mar 2010 01:29:18 -0700
Subject: Don't let swizzles with duplicated components be considered as
 lvalues.

Fixes swizzle2.frag.
---
 ir.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ir.h b/ir.h
index 600a2cd78d..3ef3708369 100644
--- a/ir.h
+++ b/ir.h
@@ -432,7 +432,7 @@ public:
 
    bool is_lvalue()
    {
-      return val->is_lvalue();
+      return val->is_lvalue() && !mask.has_duplicates;
    }
 
    ir_rvalue *val;
-- 
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