fix h7 examples

examples/nrf52840/src/bin/usb_ethernet.rs

@@ -46,8 +46,31 @@ async fn net_task(stack: &'static Stack<Device<'static, MTU>>) -> ! {
     stack.run().await
 }
 
+#[inline(never)]
+pub fn test_function() -> (usize, u32, [u32; 2]) {
+    let mut array = [3; 2];
+
+    let mut index = 0;
+    let mut result = 0;
+
+    for x in [1, 2] {
+        if x == 1 {
+            array[1] = 99;
+        } else {
+            index = if x == 2 { 1 } else { 0 };
+
+            // grabs value from array[0], not array[1]
+            result = array[index];
+        }
+    }
+
+    (index, result, array)
+}
+
 #[embassy_executor::main]
 async fn main(spawner: Spawner) {
+    info!("{:?}", test_function());
+
     let p = embassy_nrf::init(Default::default());
     let clock: pac::CLOCK = unsafe { mem::transmute(()) };