From 616c1738099ec52e1973197b8b9447df92461d3f Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Mon, 25 Jan 2010 21:40:39 +0000
Subject: [PATCH] global variable that binds reference to a non-lvalue reproted
 as NYI now.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@94453 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CGDeclCXX.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/CGDeclCXX.cpp b/lib/CodeGen/CGDeclCXX.cpp
index 2d473de47c..3f1a7225fb 100644
--- a/lib/CodeGen/CGDeclCXX.cpp
+++ b/lib/CodeGen/CGDeclCXX.cpp
@@ -80,8 +80,13 @@ void CodeGenFunction::EmitCXXGlobalVarDeclInit(const VarDecl &D,
     EmitDeclInit(*this, D, DeclPtr);
     return;
   }
-  RValue RV = EmitReferenceBindingToExpr(Init, T, /*IsInitializer=*/true);
-  EmitStoreOfScalar(RV.getScalarVal(), DeclPtr, false, T);
+  if (Init->isLvalue(getContext()) == Expr::LV_Valid) {
+    RValue RV = EmitReferenceBindingToExpr(Init, T, /*IsInitializer=*/true);
+    EmitStoreOfScalar(RV.getScalarVal(), DeclPtr, false, T);
+    return;
+  }
+  ErrorUnsupported(Init, 
+                   "global variable that binds reference to a non-lvalue");
 }
 
 void
-- 
2.50.1