Add a recursive function test case

This greatest common divisor function demonstrates that recursion is
working.

1 files changed, 11 insertions, 0 deletions

diff --git a/gcc/testsuite/rust.test/compilable/recursive_fn1.rs b/gcc/testsuite/rust.test/compilable/recursive_fn1.rs
new file mode 100644
index 0000000..89c21d0
--- /dev/null
+++ b/gcc/testsuite/rust.test/compilable/recursive_fn1.rs
@@ -0,0 +1,11 @@
+fn gcd(x: i32, y: i32) -> i32 {
+    if y == 0 {
+        x
+    } else {
+        gcd(y, x % y)
+    }
+}
+
+fn main() {
+    let a = gcd(100, 5);
+}