1 // Test that we are imposing the requirement that every associated
2 // type of a bound that appears in the where clause on a struct must
3 // outlive the location in which the type appears, even when the
4 // associted type is in a supertype. Issue #22246.
12 pub trait TheSubTrait : TheTrait {
15 pub struct TheType<'b> {
19 impl<'b> TheTrait for TheType<'b> {
20 type TheAssocType = &'b ();
23 impl<'b> TheSubTrait for TheType<'b> {
26 pub struct WithAssoc<T:TheSubTrait> {
30 fn with_assoc<'a,'b>() {
31 // For this type to be valid, the rules require that all
32 // associated types of traits that appear in `WithAssoc` must
33 // outlive 'a. In this case, that means TheType<'b>::TheAssocType,
34 // which is &'b (), must outlive 'a.
36 let _: &'a WithAssoc<TheType<'b>> = loop { };
37 //~^ ERROR lifetime may not live long enough