src/hotspot/cpu/x86/gc/z/zBarrierSetAssembler_x86.cpp

*** 195,10 ***
--- 195,11 ---
                                      Register tmp1,
                                      Register tmp2,
                                      Register tmp3) {
    BLOCK_COMMENT("ZBarrierSetAssembler::store_at {");
  
+   assert(type != T_PRIMITIVE_OBJECT, "Not supported yet");
    // Verify oop store
    if (is_reference_type(type)) {
      // Note that src could be noreg, which means we
      // are storing null and can skip verification.
      if (src != noreg) {