error: argument to `panic!()` in a const context must have type `&str` --> $DIR/issue-66693.rs:4:15 | LL | const _: () = panic!(1); | ^^^^^^^^^ error: argument to `panic!()` in a const context must have type `&str` --> $DIR/issue-66693.rs:7:19 | LL | static _FOO: () = panic!(true); | ^^^^^^^^^^^^ error[E0080]: evaluation of constant value failed --> $DIR/issue-66693.rs:16:15 | LL | const _: () = panic!(); | ^^^^^^^^ evaluation panicked: explicit panic error[E0080]: could not evaluate static initializer --> $DIR/issue-66693.rs:18:19 | LL | static _BAR: () = panic!("panic in static"); | ^^^^^^^^^^^^^^^^^^^^^^^^^ evaluation panicked: panic in static error: argument to `panic!()` in a const context must have type `&str` --> $DIR/issue-66693.rs:11:5 | LL | panic!(&1); | ^^^^^^^^^^ error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0080`.