2 files changed, 4 insertions, 2 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 170bb5d..971e42c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -41,7 +41,7 @@ mod tests {
     #[macro_export]
     macro_rules! assert_errs {
         ($result:expr, [ $( $kind:pat ),* ]) => {
-            println!("{} => {:?}", stringify!($result), $result);
+            eprintln!("{} => {:?}", stringify!($result), $result);
             assert!(matches!(
                 $result.unwrap_err().as_slice(),
                 &[$($crate::error::Error {
diff --git a/src/vm.rs b/src/vm.rs
index c9a1dd5..3041628 100644
--- a/src/vm.rs
+++ b/src/vm.rs
@@ -527,6 +527,8 @@ impl VM {
 
     fn check_op(&mut self, op: Op) -> Result<(), Error> {
         match op {
+            Op::Unreachable => {}
+
             Op::Jmp(_line) => {}
 
             Op::Return => {
@@ -679,7 +681,7 @@ mod tests {
 
         test_string!(wrong_params, "
                  f : fn -> int = fn a: int -> int {}",
-                 [ErrorKind::TypeError(_, _)]);
+                 [ErrorKind::TypeError(_, _), ErrorKind::TypeError(_, _)]);
 
         test_string!(wrong_ret, "
                  f : fn -> int = fn {}",