2 files changed, 11 insertions, 0 deletions
diff --git a/clang/test/Modules/Inputs/implicit-built-Werror-using-W/convert.h b/clang/test/Modules/Inputs/implicit-built-Werror-using-W/convert.h
new file mode 100644
index 00000000000..0ed02bc793b
--- /dev/null
+++ b/clang/test/Modules/Inputs/implicit-built-Werror-using-W/convert.h
@@ -0,0 +1,8 @@
+#ifdef USE_PRAGMA
+#pragma clang diagnostic push
+#pragma clang diagnostic warning "-Wshorten-64-to-32"
+#endif
+template <class T> int convert(T V) { return V; }
+#ifdef USE_PRAGMA
+#pragma clang diagnostic pop
+#endif
diff --git a/clang/test/Modules/Inputs/implicit-built-Werror-using-W/module.modulemap b/clang/test/Modules/Inputs/implicit-built-Werror-using-W/module.modulemap
new file mode 100644
index 00000000000..825eb86038e
--- /dev/null
+++ b/clang/test/Modules/Inputs/implicit-built-Werror-using-W/module.modulemap
@@ -0,0 +1,3 @@
+module convert {
+  header "convert.h"
+}