diff --git a/clang/test/Modules/Inputs/ModuleDiags/has_errors.h b/clang/test/Modules/Inputs/ModuleDiags/has_errors.h
new file mode 100644
index 0000000..2c0929a6
--- /dev/null
+++ b/clang/test/Modules/Inputs/ModuleDiags/has_errors.h
@@ -0,0 +1,2 @@
+static void foo(void) { }
+static void foo(void) { }
diff --git a/clang/test/Modules/Inputs/ModuleDiags/has_warnings.h b/clang/test/Modules/Inputs/ModuleDiags/has_warnings.h
new file mode 100644
index 0000000..87112be
--- /dev/null
+++ b/clang/test/Modules/Inputs/ModuleDiags/has_warnings.h
@@ -0,0 +1,3 @@
+
+int int_val;
+float *float_ptr = &int_val;
diff --git a/clang/test/Modules/Inputs/ModuleDiags/module.map b/clang/test/Modules/Inputs/ModuleDiags/module.map
new file mode 100644
index 0000000..09b2508
--- /dev/null
+++ b/clang/test/Modules/Inputs/ModuleDiags/module.map
@@ -0,0 +1,7 @@
+module HasWarnings {
+  header "has_warnings.h"
+}
+
+module HasErrors {
+  header "has_errors.h"
+}