Add test code for scala#9392

Author: giabao

tests/pos/i9392/J.java

@@ -0,0 +1,4 @@
+public class J {
+    int i = 0;
+    int i() { return 1; }
+}

tests/pos/i9392/S.scala

@@ -0,0 +1,3 @@
+class S extends J {
+  override def i(): Int = 2
+}