*** old/src/share/vm/runtime/arguments.cpp	Mon May 14 09:41:29 2012
--- new/src/share/vm/runtime/arguments.cpp	Mon May 14 09:41:27 2012

*** 3090,3099 ****
--- 3090,3107 ----
    if (PrintGCDetails) {
      // Turn on -verbose:gc options as well
      PrintGC = true;
    }
    
+   if (!JDK_Version::is_gte_jdk18x_version()) {
+     // To avoid chaninging the log format for 7 updates this flag is only
+     // true by default in JDK8 and above.
+     if (FLAG_IS_DEFAULT(PrintGCCause)) {
+       FLAG_SET_DEFAULT(PrintGCCause, false);
+     }
+   }
+ 
    // Set object alignment values.
    set_object_alignment();
  
  #ifdef SERIALGC
    force_serial_gc();