--- old/src/share/vm/opto/macroArrayCopy.cpp	2015-10-14 13:54:22.629686087 +0200
+++ new/src/share/vm/opto/macroArrayCopy.cpp	2015-10-14 13:54:22.529688506 +0200
@@ -547,7 +547,7 @@
     // At this point we know we do not need type checks on oop stores.
 
     // Let's see if we need card marks:
-    if (alloc != NULL && GraphKit::use_ReduceInitialCardMarks()) {
+    if (alloc != NULL && GraphKit::use_ReduceInitialCardMarks() && ! UseShenandoahGC) {
       // If we do not need card marks, copy using the jint or jlong stub.
       copy_type = LP64_ONLY(UseCompressedOops ? T_INT : T_LONG) NOT_LP64(T_INT);
       assert(type2aelembytes(basic_elem_type) == type2aelembytes(copy_type),