message: Unwrap match x { _ => ... }
  Summary: Fine with me, but some linter complains.
diff: @@ -114,13 +114,9 @@ impl IrSpanned<ExprCompiled> {
  }
  fn write_not(expr: &IrSpanned<ExprCompiled>, bc: &mut BcWriter) {
  - match expr.node {
  - _ => {
  expr.write_bc(bc);
  bc.write_instr::<InstrNot>(expr.span, ());
  }
  - }
  - }
  fn write_equals_const(
  span: FrozenFileSpan,
  