original.name="Ensures_Invalid_3"
js.execute.ignore=true
======
>>> main.whiley

function g(int y) -> (int x)
requires y >= 0
ensures x > 0:
    //
    return y

function f(int y) -> (int x)
requires y > 0
ensures x >= 0:
    //
    return g(y)

public export method test():
       assume f(1) == 1
       assume g(0) == 0
---
E701 main.whiley 16,14:17
E717 main.whiley 6,4:11