test for already used var

testData/src/pkg/TestInUse.java

@@ -0,0 +1,18 @@
+package pkg;
+
+public class TestInUse {
+  public int getInt() {
+    return 42;
+  }
+
+  protected int reuse() {
+    int i = 0, d = 0;
+    int result = 0;
+    do {
+      d = getInt();
+      result -= d;
+    }
+    while (++i < 10);
+    return result;
+  }
+}