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/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 6aba6c2..2cc0aab 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -808,7 +808,7 @@
     if (!Init) {
       ErrorUnsupported(D, "static initializer");
       QualType T = D->getInit()->getType();
-      Init = VMContext.getUndef(getTypes().ConvertType(T));
+      Init = llvm::UndefValue::get(getTypes().ConvertType(T));
     }
   }