1 files changed, 14 insertions, 0 deletions
diff --git a/test/Modules/Inputs/PR20399/FirstHeader.h b/test/Modules/Inputs/PR20399/FirstHeader.h
new file mode 100644
index 000000000000..43adf3d847ed
--- /dev/null
+++ b/test/Modules/Inputs/PR20399/FirstHeader.h
@@ -0,0 +1,14 @@
+#ifndef FIRSTHEADER
+#define FIRSTHEADER
+
+#include "SecondHeader.h" // Just a class which gets in the lazy deserialization chain
+
+#include "stl_map.h"
+#include "vector"
+typedef std::map<int>::iterator el;
+
+inline void func() {
+  std::vector<int>::func();
+}
+
+#endif