From 34d02d0b37f16015f317a935c48ce8b7b64ae77b Mon Sep 17 00:00:00 2001
From: Roman Divacky <rdivacky@FreeBSD.org>
Date: Tue, 15 Dec 2009 18:49:47 +0000
Subject: Update clang to 91430.

---
 lib/CodeGen/CGExprConstant.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/CodeGen/CGExprConstant.cpp')

diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp
index 9289f78d557a..d428983f012a 100644
--- a/lib/CodeGen/CGExprConstant.cpp
+++ b/lib/CodeGen/CGExprConstant.cpp
@@ -167,7 +167,11 @@ class ConstStructBuilder {
       }
 
       // Or in the bits that go into the previous byte.
-      Tmp |= cast<llvm::ConstantInt>(Elements.back())->getValue();
+      if (llvm::ConstantInt *Val = dyn_cast<llvm::ConstantInt>(Elements.back()))
+        Tmp |= Val->getValue();
+      else
+        assert(isa<llvm::UndefValue>(Elements.back()));
+
       Elements.back() = llvm::ConstantInt::get(CGM.getLLVMContext(), Tmp);
 
       if (FitsCompletelyInPreviousByte)
-- 
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