error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn_dyn.rs:9:5
   |
LL |     x.0.field;
   |     ^^^^^^^^^
   |
   = note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
   = help: add #![feature(const_fn)] to the crate attributes to enable

error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
  --> $DIR/min_const_fn_dyn.rs:12:66
   |
LL | const fn no_inner_dyn_trait_ret() -> Hide { Hide(HasDyn { field: &0 }) }
   |                                                                  ^^
   |
   = note: for more information, see issue https://github.com/rust-lang/rust/issues/57563
   = help: add #![feature(const_fn)] to the crate attributes to enable

warning[E0716]: temporary value dropped while borrowed
  --> $DIR/min_const_fn_dyn.rs:12:67
   |
LL | const fn no_inner_dyn_trait_ret() -> Hide { Hide(HasDyn { field: &0 }) }
   |                                                                  -^    - temporary value is freed at the end of this statement
   |                                                                  ||
   |                                                                  |creates a temporary which is freed while still in use
   |                                                                  cast requires that borrow lasts for `'static`
   |
   = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
   = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
   = note: for more information, try `rustc --explain E0729`

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0716, E0723.
For more information about an error, try `rustc --explain E0716`.