Delayed template parsing is not supported by the AST serialization system yet, so turning it off.  This fixes a test breakage caused by r177336.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177655 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Frontend/ast-main.cpp b/test/Frontend/ast-main.cpp
index d3d8471..4bddbe1 100644
--- a/test/Frontend/ast-main.cpp
+++ b/test/Frontend/ast-main.cpp
@@ -1,5 +1,5 @@
 // RUN: %clang -emit-llvm -S -o %t1.ll -x c++ - < %s
-// RUN: %clang -emit-ast -o %t.ast %s
+// RUN: %clang -fno-delayed-template-parsing -emit-ast -o %t.ast %s
 // RUN: %clang -emit-llvm -S -o %t2.ll -x ast - < %t.ast
 // RUN: diff %t1.ll %t2.ll