error: argument to `panic!()` in a const context must have type `&str` --> $DIR/issue-66693.rs:4:15 | LL | const _: () = panic!(1); | ^^^^^^^^^ | = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) error: argument to `panic!()` in a const context must have type `&str` --> $DIR/issue-66693.rs:7:19 | LL | static _FOO: () = panic!(true); | ^^^^^^^^^^^^ | = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) error: argument to `panic!()` in a const context must have type `&str` --> $DIR/issue-66693.rs:11:5 | LL | panic!(&1); | ^^^^^^^^^^ | = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 3 previous errors