1 error[E0019]: static contains unimplemented expression type
2 --> $DIR/assign-to-static-within-other-static-2.rs:16:5
7 = help: add `#![feature(const_mut_refs)]` to the crate attributes to enable
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0019`.