Add prelim error check for pointers in structs.

Bug: 2954471
Change-Id: Icacf67dd3eeb3dda67e1eae3d54e11f7efa6c680
diff --git a/tests/F_rs_prefix/rs_prefix.rs b/tests/F_rs_prefix/rs_prefix.rs
new file mode 100644
index 0000000..5fd9ac7
--- /dev/null
+++ b/tests/F_rs_prefix/rs_prefix.rs
@@ -0,0 +1,11 @@
+#pragma version(1)
+#pragma rs java_package_name(foo)
+
+void rs_foo() {
+    return;
+}
+
+int root(int num) {
+    return 10;
+}
+