--- old/src/share/vm/c1/c1_Runtime1.cpp 2017-01-27 16:22:02.925664158 +0100 +++ new/src/share/vm/c1/c1_Runtime1.cpp 2017-01-27 16:22:02.845664156 +0100 @@ -1489,8 +1489,6 @@ JRT_ENTRY(void, Runtime1::predicate_failed_trap(JavaThread* thread)) ResourceMark rm; - assert(!TieredCompilation, "incompatible with tiered compilation"); - RegisterMap reg_map(thread, false); frame runtime_frame = thread->last_frame(); frame caller_frame = runtime_frame.sender(®_map);