remove invalid TyCompat relation for effects

Author: fee1-dead

library/core/src/marker.rs

@@ -1097,7 +1097,6 @@ pub mod effects {
     pub trait TyCompat<T: ?Sized> {}
 
     impl<T: ?Sized> TyCompat<T> for T {}
-    impl<T: ?Sized> TyCompat<T> for Maybe {}
     impl<T: ?Sized> TyCompat<Maybe> for T {}
 
     #[lang = "EffectsIntersection"]

tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail.rs

@@ -1,4 +1,4 @@
-//@ check-pass
+//~ ERROR the trait bound
 //@ compile-flags: -Znext-solver
 
 #![allow(incomplete_features)]
@@ -17,6 +17,6 @@ impl Foo for S {
 }
 
 impl const Bar for S {}
-//FIXME ~^ ERROR the trait bound
+// FIXME(effects) bad span
 
 fn main() {}