original.name="Unsafe_Invalid_3"
whiley.compile.strict=true
======
>>> main.whiley
unsafe function f(int x) -> (int y):
assert x >= 0
return x
function g(int x) -> (int y):
return f(x)
public export method test():
int x = g(1)
assert x == 1
---
E613 main.whiley 6,11:14