rust/src/test/run-pass/while-prelude-drop.rs

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