1 files changed, 20 insertions, 0 deletions
diff --git a/tests/langbench/fib.l b/tests/langbench/fib.l
new file mode 100644
index 0000000..dfb1e52
--- /dev/null
+++ b/tests/langbench/fib.l
@@ -0,0 +1,20 @@
+
+int
+fib(int n)
+{
+	if (n < 2) {
+		return (n);
+	} else {
+		return (fib(n - 1) + fib(n - 2));
+	}
+}
+
+void
+main()
+{
+	int	i;
+
+	for (i = 0; i <= 30; ++i) {
+		printf("n=%d => %d\n", i, fib(i));
+	}
+}