1 files changed, 7 insertions, 0 deletions
diff --git a/test/Modules/Inputs/explicit-build/b.h b/test/Modules/Inputs/explicit-build/b.h
new file mode 100644
index 0000000000000..449b3859ab45c
--- /dev/null
+++ b/test/Modules/Inputs/explicit-build/b.h
@@ -0,0 +1,7 @@
+#include "a.h"
+
+#if !__building_module(b)
+#error "should only get here when building module b"
+#endif
+
+const int b = 2;