original.name="For_Invalid_11"
js.execute.ignore=true
======
>>> main.whiley
method f(int x, int y):
    for i in x..y:
        skip

public export method test():
    f(1,2)
    f(1,1)
    f(2,1)
---
E710 main.whiley 2,13:16
E727 main.whiley 2,13:16