| Index: src/crankshaft/mips/lithium-mips.cc | 
| diff --git a/src/crankshaft/mips/lithium-mips.cc b/src/crankshaft/mips/lithium-mips.cc | 
| index f6577b249d18108f8d2615e2bfe9df251f2928ea..535946af2f4fda3e855935eba70e266ddeac4f69 100644 | 
| --- a/src/crankshaft/mips/lithium-mips.cc | 
| +++ b/src/crankshaft/mips/lithium-mips.cc | 
| @@ -2139,7 +2139,7 @@ LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) { | 
| DCHECK(instr->representation().IsSmiOrTagged()); | 
| obj = UseRegisterAtStart(instr->elements()); | 
| } | 
| -    result = DefineAsRegister(new(zone()) LLoadKeyed(obj, key)); | 
| +    result = DefineAsRegister(new (zone()) LLoadKeyed(obj, key, nullptr)); | 
| } else { | 
| DCHECK( | 
| (instr->representation().IsInteger32() && | 
| @@ -2147,7 +2147,9 @@ LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) { | 
| (instr->representation().IsDouble() && | 
| IsDoubleOrFloatElementsKind(elements_kind))); | 
| LOperand* backing_store = UseRegister(instr->elements()); | 
| -    result = DefineAsRegister(new(zone()) LLoadKeyed(backing_store, key)); | 
| +    LOperand* backing_store_owner = UseAny(instr->backing_store_owner()); | 
| +    result = DefineAsRegister( | 
| +        new (zone()) LLoadKeyed(backing_store, key, backing_store_owner)); | 
| } | 
|  | 
| bool needs_environment; | 
| @@ -2212,7 +2214,7 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) { | 
| } | 
| } | 
|  | 
| -    return new(zone()) LStoreKeyed(object, key, val); | 
| +    return new (zone()) LStoreKeyed(object, key, val, nullptr); | 
| } | 
|  | 
| DCHECK( | 
| @@ -2224,7 +2226,8 @@ LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) { | 
| LOperand* val = UseRegister(instr->value()); | 
| LOperand* key = UseRegisterOrConstantAtStart(instr->key()); | 
| LOperand* backing_store = UseRegister(instr->elements()); | 
| -  return new(zone()) LStoreKeyed(backing_store, key, val); | 
| +  LOperand* backing_store_owner = UseAny(instr->backing_store_owner()); | 
| +  return new (zone()) LStoreKeyed(backing_store, key, val, backing_store_owner); | 
| } | 
|  | 
|  | 
|  |