error: argument to `panic!()` in a const context must have type `&str`
  --> $DIR/issue-66693.rs:13:5
   |
LL |     panic!(&1);
   |     ^^^^^^^^^^^
   |
   = note: this error originates in a macro (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:6:15
   |
LL | const _: () = panic!(1);
   |               ^^^^^^^^^
   |
   = note: this error originates in a macro (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:9:19
   |
LL | static _FOO: () = panic!(true);
   |                   ^^^^^^^^^^^^
   |
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 3 previous errors