Update for LLVM API changes.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77638 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index b8b774f..4d48f08 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -267,7 +267,7 @@
 llvm::Value *CodeGenFunction::EmitCXXNewExpr(const CXXNewExpr *E) {
   if (E->isArray()) {
     ErrorUnsupported(E, "new[] expression");
-    return VMContext.getUndef(ConvertType(E->getType()));
+    return llvm::UndefValue::get(ConvertType(E->getType()));
   }
   
   QualType AllocType = E->getAllocatedType();