void construct_float3_from_float_float()             { float3 x = float3(1.0, 2.0); }
void construct_float3_from_float_float_float_float() { float3 x = float3(1.0, 2.0, 3.0, 4.0); }
void construct_bool_from_int3()                      { bool   x = bool(int3(77)); }

/*%%*
invalid arguments to 'float3' constructor (expected 3 scalars, but found 2)
invalid arguments to 'float3' constructor (expected 3 scalars, but found 4)
'int3' is not a valid parameter to 'bool' constructor
*%%*/