error[E0658]: referencing statics in constants is unstable
  --> $DIR/issue-17718-references.rs:9:29
   |
LL | const T2: &'static usize = &S;
   |                             ^
   |
   = note: see issue #119618 <https://github.com/rust-lang/rust/issues/119618> for more information
   = help: add `#![feature(const_refs_to_static)]` to the crate attributes to enable
   = note: `static` and `const` variables can refer to other `const` variables. A `const` variable, however, cannot refer to a `static` variable.
   = help: to fix this, the value can be extracted to a `const` and then used.

error[E0658]: referencing statics in constants is unstable
  --> $DIR/issue-17718-references.rs:14:19
   |
LL | const T6: usize = S;
   |                   ^
   |
   = note: see issue #119618 <https://github.com/rust-lang/rust/issues/119618> for more information
   = help: add `#![feature(const_refs_to_static)]` to the crate attributes to enable
   = note: `static` and `const` variables can refer to other `const` variables. A `const` variable, however, cannot refer to a `static` variable.
   = help: to fix this, the value can be extracted to a `const` and then used.

error[E0658]: referencing statics in constants is unstable
  --> $DIR/issue-17718-references.rs:19:33
   |
LL | const T10: Struct = Struct { a: S };
   |                                 ^
   |
   = note: see issue #119618 <https://github.com/rust-lang/rust/issues/119618> for more information
   = help: add `#![feature(const_refs_to_static)]` to the crate attributes to enable
   = note: `static` and `const` variables can refer to other `const` variables. A `const` variable, however, cannot refer to a `static` variable.
   = help: to fix this, the value can be extracted to a `const` and then used.

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0658`.