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// compile-flags:-Zborrowck=mir -Zverbose
// build-pass (FIXME(62277): could be check-pass?)
// Test that we assume that universal types like `T` outlive the
// function body.
use std::cell::Cell;
fn twice<F, T>(value: T, mut f: F)
where
F: FnMut(Cell<&T>),
{
f(Cell::new(&value));
f(Cell::new(&value));
}
fn generic<T>(value: T) {
// No error here:
twice(value, |r| invoke(r));
}
fn invoke<'a, T>(x: Cell<&'a T>)
where
T: 'a,
{
}
fn main() {}
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