1 files changed, 3 insertions, 0 deletions
diff --git a/src/library/scala/runtime/BoxesRunTime.java b/src/library/scala/runtime/BoxesRunTime.java
index b6539d087c..bf030cb89c 100644
--- a/src/library/scala/runtime/BoxesRunTime.java
+++ b/src/library/scala/runtime/BoxesRunTime.java
@@ -77,6 +77,8 @@ public final class BoxesRunTime
     }
 
     public static java.lang.Double boxToDouble(double d) {
+        // System.out.println("box " + d);
+        // (new Throwable()).printStackTrace();
         return java.lang.Double.valueOf(d);
     }
 
@@ -111,6 +113,7 @@ public final class BoxesRunTime
     }
 
     public static double unboxToDouble(Object d) {
+        //        System.out.println("unbox " + d);
         return d == null ? 0.0d : ((java.lang.Double)d).doubleValue();
     }