Update for llvm api change.

llvm-svn: 210204
diff --git a/clang/lib/CodeGen/CGException.cpp b/clang/lib/CodeGen/CGException.cpp
index 9fa478c..0938e83 100644
--- a/clang/lib/CodeGen/CGException.cpp
+++ b/clang/lib/CodeGen/CGException.cpp
@@ -622,7 +622,7 @@
       QualType CaughtType = C->getCaughtType();
       CaughtType = CaughtType.getNonReferenceType().getUnqualifiedType();
 
-      llvm::Value *TypeInfo = nullptr;
+      llvm::Constant *TypeInfo = nullptr;
       if (CaughtType->isObjCObjectPointerType())
         TypeInfo = CGM.getObjCRuntime().GetEHType(CaughtType);
       else