Index: unittests/AST/ASTImporterTest.cpp
===================================================================
--- unittests/AST/ASTImporterTest.cpp
+++ unittests/AST/ASTImporterTest.cpp
@@ -33,10 +33,10 @@
     Args.insert(Args.end(), { "-x", "c", "-std=c89" });
     break;
   case Lang_CXX:
-    Args.push_back("-std=c++98");
+    Args.insert(Args.end(), {"-std=c++98", "-fdelayed-template-parsing"});
     break;
   case Lang_CXX11:
-    Args.push_back("-std=c++11");
+    Args.insert(Args.end(), {"-std=c++11", "-fdelayed-template-parsing"});
     break;
   case Lang_OpenCL:
   case Lang_OBJCXX: