| Index: src/mips/macro-assembler-mips.cc | 
| diff --git a/src/mips/macro-assembler-mips.cc b/src/mips/macro-assembler-mips.cc | 
| index a0b8e976580b4af6642ffb61ed0f3c55e9b23e94..7ded49499957b010b996229de161b0268dd45192 100644 | 
| --- a/src/mips/macro-assembler-mips.cc | 
| +++ b/src/mips/macro-assembler-mips.cc | 
| @@ -5299,37 +5299,20 @@ void MacroAssembler::LoadInstanceDescriptors(Register map, | 
| Register temp = descriptors; | 
| lw(temp, FieldMemOperand(map, Map::kTransitionsOrBackPointerOffset)); | 
|  | 
| -  Label ok, fail, load_from_back_pointer; | 
| +  Label ok, fail; | 
| CheckMap(temp, | 
| scratch, | 
| isolate()->factory()->fixed_array_map(), | 
| &fail, | 
| DONT_DO_SMI_CHECK); | 
| -  lw(temp, FieldMemOperand(temp, TransitionArray::kDescriptorsPointerOffset)); | 
| -  lw(descriptors, FieldMemOperand(temp, JSGlobalPropertyCell::kValueOffset)); | 
| +  lw(descriptors, FieldMemOperand(temp, TransitionArray::kDescriptorsOffset)); | 
| jmp(&ok); | 
| - | 
| bind(&fail); | 
| -  LoadRoot(scratch, Heap::kUndefinedValueRootIndex); | 
| -  Branch(&load_from_back_pointer, ne, temp, Operand(scratch)); | 
| LoadRoot(descriptors, Heap::kEmptyDescriptorArrayRootIndex); | 
| -  jmp(&ok); | 
| - | 
| -  bind(&load_from_back_pointer); | 
| -  lw(temp, FieldMemOperand(temp, Map::kTransitionsOrBackPointerOffset)); | 
| -  lw(temp, FieldMemOperand(temp, TransitionArray::kDescriptorsPointerOffset)); | 
| -  lw(descriptors, FieldMemOperand(temp, JSGlobalPropertyCell::kValueOffset)); | 
| - | 
| bind(&ok); | 
| } | 
|  | 
|  | 
| -void MacroAssembler::NumberOfOwnDescriptors(Register dst, Register map) { | 
| -  lbu(dst, FieldMemOperand(map, Map::kBitFieldOffset)); | 
| -  DecodeField<Map::NumberOfOwnDescriptorsBits>(dst); | 
| -} | 
| - | 
| - | 
| void MacroAssembler::EnumLength(Register dst, Register map) { | 
| STATIC_ASSERT(Map::EnumLengthBits::kShift == 0); | 
| lw(dst, FieldMemOperand(map, Map::kBitField3Offset)); | 
|  |