Optimize line numbers, enabled only for testing.

Proguard-map output is not yet implemented.

Bug:
Change-Id: Id65ded0e0ac7d9b2c6b7cac6f4273f645e5c930c
diff --git a/src/test/debugTestResources/LineNumberOptimization1.java b/src/test/debugTestResources/LineNumberOptimization1.java
index c25ecc6..a97fc6d 100644
--- a/src/test/debugTestResources/LineNumberOptimization1.java
+++ b/src/test/debugTestResources/LineNumberOptimization1.java
@@ -8,7 +8,17 @@
     LineNumberOptimization2.callThisFromAnotherFile();
   }
 
+  private static void callThisFromSameFile(int a) {
+    System.out.println("callThisFromSameFile second overload");
+  }
+
+  private static void callThisFromSameFile(int a, int b) {
+    System.out.println("callThisFromSameFile third overload");
+  }
+
   public static void main(String[] args) {
     callThisFromSameFile();
+    callThisFromSameFile(1);
+    callThisFromSameFile(1, 2);
   }
 }