1 files changed, 12 insertions, 0 deletions
diff --git a/test/Modules/preprocess-unavailable.cpp b/test/Modules/preprocess-unavailable.cpp
new file mode 100644
index 000000000000..e568cd7b5251
--- /dev/null
+++ b/test/Modules/preprocess-unavailable.cpp
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -x c++-module-map %s -fmodule-name=a -verify
+module a {
+  module b {
+    requires cplusplus11
+  }
+}
+#pragma clang module contents
+// expected-error@3 {{module 'a.b' requires feature 'cplusplus11'}}
+#pragma clang module begin a.b // expected-note {{entering module 'a' due to this pragma}}
+int f();
+int g() { f(); }
+#pragma clang module end // expected-error {{no matching '#pragma clang module begin'}}