4 fail_compilation/diag9358.d(12): Error: `x` must be of integral or string type, it is a `double`
5 fail_compilation/diag9358.d(14): Error: case must be a string or an integral constant, not `1.1`
6 fail_compilation/diag9358.d(15): Error: case must be a string or an integral constant, not `2.1`