src/cpu/x86/vm/c1_Runtime1_x86.cpp

*** 1662,1671 ****
--- 1662,1675 ----
        }
        break;
  
      case g1_post_barrier_slow_id:
        {
+         // avoid touching CardTableModRefBS if not G1
+         // FIXME: This looks like an upstream bug.
+         if (!UseG1GC) break;
+ 
          StubFrame f(sasm, "g1_post_barrier", dont_gc_arguments);
  
  
          // arg0: store_address
          Address store_addr(rbp, 2*BytesPerWord);