From 22011e90c992533411d2efc17f5efd365a636117 Mon Sep 17 00:00:00 2001
From: Nate Begeman <natebegeman@mac.com>
Date: Tue, 19 Feb 2008 01:11:03 +0000
Subject: Allow ArraySubscriptExpr to be a base node for vector dereference. 
 This allows you to do things like typedef __attribute__((
 ocu_vector_type(4))) float float4; float4 *x; float y = x[0][2];

llvm-svn: 47295
---
 clang/Sema/SemaExpr.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/Sema/SemaExpr.cpp b/clang/Sema/SemaExpr.cpp
index 0d48ad7aa52..31cdc5947f4 100644
--- a/clang/Sema/SemaExpr.cpp
+++ b/clang/Sema/SemaExpr.cpp
@@ -414,7 +414,7 @@ ActOnArraySubscriptExpr(ExprTy *Base, SourceLocation LLoc,
     IndexExpr = RHSExp;
     
     // Component access limited to variables (reject vec4.rg[1]).
-    if (!isa<DeclRefExpr>(BaseExpr)) 
+    if (!isa<DeclRefExpr>(BaseExpr) && !isa<ArraySubscriptExpr>(BaseExpr)) 
       return Diag(LLoc, diag::err_ocuvector_component_access, 
                   SourceRange(LLoc, RLoc));
     // FIXME: need to deal with const...
-- 
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