original.name="Switch_Invalid_3"
======
>>> main.whiley
function f(int x) -> int:
    switch x:
        default:
            return 0
        default:
            return 1
---
E314 main.whiley 5,0:15
=====
>>> main.whiley 3:4
        case 0:
>>> main.whiley 7
public export method test():
    assume f(0) == 0
    assume f(1) == 1
    assume f(2) == 1
---