1 error[E0658]: panicking in constants is unstable
2 --> $DIR/issue-76064.rs:3:17
4 LL | struct Bug([u8; panic!("panic")]);
7 = note: see issue #51999 <https://github.com/rust-lang/rust/issues/51999> for more information
8 = help: add `#![feature(const_panic)]` to the crate attributes to enable
9 = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
11 error: aborting due to previous error
13 For more information about this error, try `rustc --explain E0658`.