--- old/src/share/vm/gc/g1/g1ConcurrentMark.cpp	2016-03-08 23:25:27.421265437 +0900
+++ new/src/share/vm/gc/g1/g1ConcurrentMark.cpp	2016-03-08 23:25:27.273265781 +0900
@@ -1087,8 +1087,6 @@
     return;
   }
 
-  SvcGCMarker sgcm(SvcGCMarker::OTHER);
-
   if (VerifyDuringGC) {
     HandleMark hm;  // handle scope
     g1h->prepare_for_verify();