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// Regression test for issues #84660 and #86411: both are variations on #76202.
// Tests that we don't ICE when we have an opaque type appearing anywhere in an impl header.
#![feature(type_alias_impl_trait)]
trait Foo {}
impl Foo for () {}
type Bar = impl Foo;
fn _defining_use() -> Bar {}
trait TraitArg<T> {
fn f();
}
impl TraitArg<Bar> for () { //~ ERROR cannot implement trait
fn f() {
println!("ho");
}
}
fn main() {
<() as TraitArg<Bar>>::f();
}
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