1export fn entry() void {
 2    const V1 = @Vector(4, u8);
 3    const V2 = @Vector(4, V1);
 4    const v: V2 = undefined;
 5    _ = v;
 6}
 7
 8// error
 9//
10// :3:27: error: expected integer, float, bool, or pointer for the vector element type; found '@Vector(4, u8)'