src/hotspot/cpu/x86/gc/shared/cardTableBarrierSetAssembler_x86.cpp

@@ -46,10 +46,11 @@
                                                                      Register addr, Register count, Register tmp) {
    BarrierSet *bs = BarrierSet::barrier_set();
    CardTableBarrierSet* ctbs = barrier_set_cast<CardTableBarrierSet>(bs);
    CardTable* ct = ctbs->card_table();
    intptr_t disp = (intptr_t) ct->byte_map_base();
+   SHENANDOAHGC_ONLY(assert(!UseShenandoahGC, "Shenandoah byte_map_base is not constant.");)
  
    Label L_loop, L_done;
    const Register end = count;
    assert_different_registers(addr, end);