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// check-pass
// Tests for nested self-reference which caused a stack overflow.
use std::fmt::Debug;
use std::ops::*;
fn gen() -> impl PartialOrd + PartialEq + Debug { }
struct Bar {}
trait Foo<T = Self> {}
trait FooNested<T = Option<Self>> {}
impl Foo for Bar {}
impl FooNested for Bar {}
fn foo() -> impl Foo + FooNested {
Bar {}
}
fn test_impl_ops() -> impl Add + Sub + Mul + Div { 1 }
fn test_impl_assign_ops() -> impl AddAssign + SubAssign + MulAssign + DivAssign { 1 }
fn main() {}
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