1 files changed, 16 insertions, 0 deletions
diff --git a/test/CXX/basic/basic.link/p2.cpp b/test/CXX/basic/basic.link/p2.cpp
new file mode 100644
index 0000000000..54e347c91e
--- /dev/null
+++ b/test/CXX/basic/basic.link/p2.cpp
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -std=c++2a -DEXPORT %s -verify
+// RUN: %clang_cc1 -std=c++2a -DEXPORT %s -emit-module-interface -o %t.pcm
+// RUN: %clang_cc1 -std=c++2a -UEXPORT %s -verify -fmodule-file=%t.pcm
+
+#ifdef EXPORT
+// expected-no-diagnostics
+export
+#else
+// expected-note@+2 {{add 'export' here}}
+#endif
+module M;
+
+#ifndef EXPORT
+// expected-error@+2 {{private module fragment in module implementation unit}}
+#endif
+module :private;