oops! new unsoundness

Bless tests and show an introduced unsoundness related to
exits<'a> { forall<'b> { 'a == 'b } }.
We now resolve the var ?a in U0 to the placeholder !b in U1.

2 files changed, 7 insertions, 13 deletions

diff --git a/tests/ui/traits/inductive-overflow/lifetime.rs b/tests/ui/traits/inductive-overflow/lifetime.rs
index bf536d21cf9..2f3c90dcece 100644
--- a/tests/ui/traits/inductive-overflow/lifetime.rs
+++ b/tests/ui/traits/inductive-overflow/lifetime.rs
@@ -15,9 +15,9 @@ impl<'a> Y for C<'a> {
 struct C<'a>(&'a ());
 struct X<T: Y>(T::P);
 
-impl<T: NotAuto> NotAuto for Box<T> {} //~ NOTE: required
+impl<T: NotAuto> NotAuto for Box<T> {}
+impl<T: Y> NotAuto for X<T> where T::P: NotAuto {} //~ NOTE: required
 //~^ NOTE unsatisfied trait bound introduced here
-impl<T: Y> NotAuto for X<T> where T::P: NotAuto {}
 impl<'a> NotAuto for C<'a> {}
 
 fn is_send<S: NotAuto>() {}
@@ -28,6 +28,4 @@ fn main() {
     // Should only be a few notes.
     is_send::<X<C<'static>>>();
     //~^ ERROR overflow evaluating
-    //~| 3 redundant requirements hidden
-    //~| required for
 }
diff --git a/tests/ui/traits/inductive-overflow/lifetime.stderr b/tests/ui/traits/inductive-overflow/lifetime.stderr
index 357e59991a3..7ab2864a8cf 100644
--- a/tests/ui/traits/inductive-overflow/lifetime.stderr
+++ b/tests/ui/traits/inductive-overflow/lifetime.stderr
@@ -1,18 +1,14 @@
-error[E0275]: overflow evaluating the requirement `X<C<'_>>: NotAuto`
+error[E0275]: overflow evaluating the requirement `Box<X<C<'static>>>: NotAuto`
   --> $DIR/lifetime.rs:29:5
    |
 LL |     is_send::<X<C<'static>>>();
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
    |
-note: required for `Box<X<C<'_>>>` to implement `NotAuto`
-  --> $DIR/lifetime.rs:18:18
+note: required for `X<C<'static>>` to implement `NotAuto`
+  --> $DIR/lifetime.rs:19:12
    |
-LL | impl<T: NotAuto> NotAuto for Box<T> {}
-   |         -------  ^^^^^^^     ^^^^^^
-   |         |
-   |         unsatisfied trait bound introduced here
-   = note: 3 redundant requirements hidden
-   = note: required for `X<C<'static>>` to implement `NotAuto`
+LL | impl<T: Y> NotAuto for X<T> where T::P: NotAuto {}
+   |            ^^^^^^^     ^^^^             ------- unsatisfied trait bound introduced here
 note: required by a bound in `is_send`
   --> $DIR/lifetime.rs:23:15
    |