src/test/ui/proc-macro/load-panic-backtrace.rs

// aux-build:test-macros.rs
// compile-flags: -Z proc-macro-backtrace
// rustc-env:RUST_BACKTRACE=0

// FIXME https://github.com/rust-lang/rust/issues/59998
// normalize-stderr-test "thread '.*' panicked " -> ""
// normalize-stderr-test "note:.*RUST_BACKTRACE=1.*\n" -> ""
// normalize-stderr-test "\nerror: internal compiler error.*\n\n" -> ""
// normalize-stderr-test "note:.*unexpectedly panicked.*\n\n" -> ""
// normalize-stderr-test "note: we would appreciate a bug report.*\n\n" -> ""
// normalize-stderr-test "note: compiler flags.*\n\n" -> ""
// normalize-stderr-test "note: rustc.*running on.*\n\n" -> ""

#[macro_use]
extern crate test_macros;

#[derive(Panic)]
//~^ ERROR: proc-macro derive panicked
struct Foo;

fn main() {}