src/cpu/x86/vm/sharedRuntime_x86_64.cpp

rev 12152 : [mq]: verification.patch

*** 2367,2376 ****
--- 2367,2377 ----
  
      // Load immediate 1 into swap_reg %rax
      __ movl(swap_reg, 1);
  
      // Load (object->mark() | 1) into swap_reg %rax
+     __ shenandoah_store_addr_check(obj_reg); // Access mark word
      __ orptr(swap_reg, Address(obj_reg, 0));
  
      // Save (object->mark() | 1) into BasicLock's displaced header
      __ movptr(Address(lock_reg, mark_word_offset), swap_reg);
  
*** 2531,2540 ****
--- 2532,2542 ----
      __ movptr(obj_reg, Address(oop_handle_reg, 0));
      oopDesc::bs()->interpreter_write_barrier(masm, obj_reg);
  
      Label done;
  
+     __ shenandoah_store_addr_check(obj_reg);
      if (UseBiasedLocking) {
        __ biased_locking_exit(obj_reg, old_hdr, done);
      }
  
      // Simple recursive lock?