static uint16_t issue31093F(uint16_t v) { return v; }

// issue 32579
typedef struct S32579 { unsigned char data[1]; } S32579;

// issue 37033, cgo.Handle
extern void GoFunc37033(uintptr_t handle);
void cFunc37033(uintptr_t handle) { GoFunc37033(handle); }

// issue 38649
// Test that #define'd type aliases work.
#define netbsd_gid unsigned int

// issue 40494
// Inconsistent handling of tagged enum and union types.