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[E0080]: evaluation of constant value failed
  --> $DIR/issue-66693.rs:16:15
   |
LL | const _: () = panic!();
   |               ^^^^^^^^ the evaluated program panicked at 'explicit panic', $DIR/issue-66693.rs:16:15
   |
   = note: this error originates in the macro `$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[E0080]: could not evaluate static initializer
  --> $DIR/issue-66693.rs:18:19
   |
LL | static _BAR: () = panic!("panic in static");
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^ the evaluated program panicked at 'panic in static', $DIR/issue-66693.rs:18:19
   |
   = note: this error originates in the macro `$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 5 previous errors

For more information about this error, try `rustc --explain E0080`.