cps.diff

diff --git a/.gitignore b/.gitignore
index fadda8f..1523a06 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,5 @@ Cargo.lock
 **/*.rs.bk
 # CLion
 .idea/
+# history
+history.txt
diff --git a/vm/src/lib.rs b/vm/src/lib.rs
index 97e9780..74eb9d1 100644
--- a/vm/src/lib.rs
+++ b/vm/src/lib.rs
@@ -168,7 +168,7 @@ impl<'a> Vm<'a> {
 
             let op = self.current_opcode();
             *self.current_ip_mut() += 1;
-            let op = if cfg!(debug_assertios) {
+            let op = if cfg!(debug_assertions) {
                 BYTE_TO_OPCODE[op as usize]
             } else {
                 unsafe { *BYTE_TO_OPCODE.get_unchecked(op as usize) }
@@ -986,6 +986,29 @@ mod tests {
         run_vm_tests(&tests);
     }
 
+    //#[ignore]
+    #[test]
+    fn fib_in_cps_works() {
+        let tests = [
+            T("
+                let fib = fn(n, C) {
+                    if (n < 2) {
+                        n
+                    } else {
+                        fib(n - 1, fn(lhs) {
+                            fib(n - 2, fn(rhs) {
+                                C(lhs + rhs)
+                            })
+                        })
+                    }
+                };
+                fib(33, fn(n) { n });
+            ", Constant::Int(3524578)
+            )
+        ];
+        run_vm_tests(&tests);
+    }
+
     fn run_vm_tests(tests: &[T]) {
         for (i, test) in tests.iter().enumerate() {
             let lexer = Lexer::new(test.0);