--- /dev/null
+#include <stdint.h>
+
+extern "C" {
+uintptr_t
+pass_trivial(uintptr_t x)
+{
+ return x;
+}
+uintptr_t
+pass_complex(uintptr_t x)
+{
+ return x;
+}
+uintptr_t
+_Z14return_trivialm(uintptr_t x)
+{
+ return x;
+}
+uintptr_t
+_Z14return_complexm(uintptr_t x)
+{
+ return x;
+}
+}