| Index: src/crankshaft/mips64/lithium-mips64.h | 
| diff --git a/src/crankshaft/mips64/lithium-mips64.h b/src/crankshaft/mips64/lithium-mips64.h | 
| index c90b75b307118b69734926ad23c5494cafff830c..a5a3c8ea8335dbf95201ca82df072cf03492fe65 100644 | 
| --- a/src/crankshaft/mips64/lithium-mips64.h | 
| +++ b/src/crankshaft/mips64/lithium-mips64.h | 
| @@ -1627,15 +1627,17 @@ class LLoadRoot final : public LTemplateInstruction<1, 0, 0> { | 
| }; | 
|  | 
|  | 
| -class LLoadKeyed final : public LTemplateInstruction<1, 2, 0> { | 
| +class LLoadKeyed final : public LTemplateInstruction<1, 3, 0> { | 
| public: | 
| -  LLoadKeyed(LOperand* elements, LOperand* key) { | 
| +  LLoadKeyed(LOperand* elements, LOperand* key, LOperand* backing_store_owner) { | 
| inputs_[0] = elements; | 
| inputs_[1] = key; | 
| +    inputs_[2] = backing_store_owner; | 
| } | 
|  | 
| LOperand* elements() { return inputs_[0]; } | 
| LOperand* key() { return inputs_[1]; } | 
| +  LOperand* backing_store_owner() { return inputs_[2]; } | 
| ElementsKind elements_kind() const { | 
| return hydrogen()->elements_kind(); | 
| } | 
| @@ -2158,12 +2160,14 @@ class LStoreNamedGeneric final : public LTemplateInstruction<0, 3, 2> { | 
| }; | 
|  | 
|  | 
| -class LStoreKeyed final : public LTemplateInstruction<0, 3, 0> { | 
| +class LStoreKeyed final : public LTemplateInstruction<0, 4, 0> { | 
| public: | 
| -  LStoreKeyed(LOperand* object, LOperand* key, LOperand* value) { | 
| +  LStoreKeyed(LOperand* object, LOperand* key, LOperand* value, | 
| +              LOperand* backing_store_owner) { | 
| inputs_[0] = object; | 
| inputs_[1] = key; | 
| inputs_[2] = value; | 
| +    inputs_[3] = backing_store_owner; | 
| } | 
|  | 
| bool is_fixed_typed_array() const { | 
| @@ -2172,6 +2176,7 @@ class LStoreKeyed final : public LTemplateInstruction<0, 3, 0> { | 
| LOperand* elements() { return inputs_[0]; } | 
| LOperand* key() { return inputs_[1]; } | 
| LOperand* value() { return inputs_[2]; } | 
| +  LOperand* backing_store_owner() { return inputs_[3]; } | 
| ElementsKind elements_kind() const { | 
| return hydrogen()->elements_kind(); | 
| } | 
|  |