Merge branch 'exec/alloc-empty-2' into 'master'

Create another test for empty allocations

See merge request !57

exec/AllocEmpty2.java

+class Test {
+    public static void main(String[] args) {
+        Test a = new Test();
+        Test b = new Test();
+        if (a == b) {
+            System.out.println(0);
+        } else {
+            System.out.println(1);
+        }
+    }
+}

exec/AllocEmpty2.java.out

+1