Adding virtual destructor breaks C++ struct backward compatibility with C struct...

diff --git a/RAW/AliRawDataHeader.h b/RAW/AliRawDataHeader.h
index 79bc2cf639fdcdc53108e828a7af2aeb47c809f3..e2fa8e2b7724108587ed173a0701336e975725d6 100644 (file)
--- a/RAW/AliRawDataHeader.h
+++ b/RAW/AliRawDataHeader.h
@@ -15,7 +15,10 @@ struct AliRawDataHeader {
     fROIHigh(0)
   {}
 
-  virtual ~AliRawDataHeader() {}
+  // Adding virtual destructor breaks
+  // C++ struct backward compatibility
+  // Do not uncomment the line below!!!
+  //  virtual ~AliRawDataHeader() {}
 
   UShort_t  GetEventID1() const
     {