enum t { a, b(str), }
fn make(i: int) -> t {
if i > 10 { ret a; }
let s = "hello";
// Ensure s is non-const.
s += "there";
ret b(s);
}
fn main() {
let i = 0;
// The auto slot for the result of make(i) should not leak.
while make(i) != a { i += 1; }
}