| Index: src/compiler/js-native-context-specialization.cc | 
| diff --git a/src/compiler/js-native-context-specialization.cc b/src/compiler/js-native-context-specialization.cc | 
| index 6abdd678eb1d38bc9011985b7f92523060a77855..989ac7972c9817aa521dc3efa31f13ceedf19c35 100644 | 
| --- a/src/compiler/js-native-context-specialization.cc | 
| +++ b/src/compiler/js-native-context-specialization.cc | 
| @@ -1525,6 +1525,9 @@ JSNativeContextSpecialization::BuildPropertyAccess( | 
| case MachineRepresentation::kWord64: | 
| case MachineRepresentation::kFloat32: | 
| case MachineRepresentation::kSimd128: | 
| +        case MachineRepresentation::kSimd1x4: | 
| +        case MachineRepresentation::kSimd1x8: | 
| +        case MachineRepresentation::kSimd1x16: | 
| UNREACHABLE(); | 
| break; | 
| } | 
|  |