--- old/src/share/vm/gc/parallel/psPromotionLAB.hpp 2017-06-30 11:28:16.556149956 +0200 +++ new/src/share/vm/gc/parallel/psPromotionLAB.hpp 2017-06-30 11:28:16.368144079 +0200 @@ -122,7 +122,7 @@ // The 'new_top>obj' check is needed to detect overflow of obj+size. if (new_top > obj && new_top <= end()) { set_top(new_top); - assert(is_ptr_object_aligned(obj) && is_ptr_object_aligned(new_top), + assert(is_object_aligned(obj) && is_object_aligned(new_top), "checking alignment"); _start_array->allocate_block(obj); return obj;