error[E0277]: the trait bound `T: Bar` is not satisfied
  --> $DIR/trait-where-clause.rs:14:5
   |
LL |     T::b();
   |     ^^^^ the trait `Bar` is not implemented for `T`
   |
note: required by `Foo::b`
  --> $DIR/trait-where-clause.rs:8:5
   |
LL |     fn b() where Self: ~const Bar;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: consider further restricting this bound
   |
LL | const fn test1<T: ~const Foo + Bar + Bar>() {
   |                                    +++++

error[E0277]: the trait bound `T: Bar` is not satisfied
  --> $DIR/trait-where-clause.rs:16:5
   |
LL |     T::c::<T>();
   |     ^^^^^^^^^ the trait `Bar` is not implemented for `T`
   |
note: required by `Foo::c`
  --> $DIR/trait-where-clause.rs:9:5
   |
LL |     fn c<T: ~const Bar>();
   |     ^^^^^^^^^^^^^^^^^^^^^^
help: consider further restricting this bound
   |
LL | const fn test1<T: ~const Foo + Bar + Bar>() {
   |                                    +++++

error[E0277]: the trait bound `T: Bar` is not satisfied
  --> $DIR/trait-where-clause.rs:28:5
   |
LL |     T::b();
   |     ^^^^ the trait `Bar` is not implemented for `T`
   |
note: required by `Foo::b`
  --> $DIR/trait-where-clause.rs:8:5
   |
LL |     fn b() where Self: ~const Bar;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: consider further restricting this bound
   |
LL | fn test3<T: Foo + Bar>() {
   |                 +++++

error[E0277]: the trait bound `T: Bar` is not satisfied
  --> $DIR/trait-where-clause.rs:30:5
   |
LL |     T::c::<T>();
   |     ^^^^^^^^^ the trait `Bar` is not implemented for `T`
   |
note: required by `Foo::c`
  --> $DIR/trait-where-clause.rs:9:5
   |
LL |     fn c<T: ~const Bar>();
   |     ^^^^^^^^^^^^^^^^^^^^^^
help: consider further restricting this bound
   |
LL | fn test3<T: Foo + Bar>() {
   |                 +++++

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0277`.