942     case Op_HasNegatives:

   942     case Op_HasNegatives:

   943     case Op_MemBarVolatile:

   943     case Op_MemBarVolatile:

   944     case Op_MemBarCPUOrder: // %%% these ideals should have narrower adr_type?

   944     case Op_MemBarCPUOrder: // %%% these ideals should have narrower adr_type?

   945     case Op_StrInflatedCopy:

   945     case Op_StrInflatedCopy:

   946     case Op_StrCompressedCopy:

   946     case Op_StrCompressedCopy:

   947     case Op_EncodeISOArray:

   948     case Op_EncodeISOArray:

   948       nidx = Compile::AliasIdxTop;

   949       nidx = Compile::AliasIdxTop;

   949       nat = NULL;

   950       nat = NULL;

   950       break;

   951       break;

   951     }

   952     }