| Index: src/crankshaft/arm64/lithium-codegen-arm64.cc
|
| diff --git a/src/crankshaft/arm64/lithium-codegen-arm64.cc b/src/crankshaft/arm64/lithium-codegen-arm64.cc
|
| index b4c3da411215febd8ca33cad31cf18206387b0e4..d656acedda2cf9c8f2305607051bf2d7bfa69759 100644
|
| --- a/src/crankshaft/arm64/lithium-codegen-arm64.cc
|
| +++ b/src/crankshaft/arm64/lithium-codegen-arm64.cc
|
| @@ -2916,8 +2916,16 @@ void LCodeGen::DoHasInPrototypeChainAndBranch(
|
| __ Ldr(object_map, FieldMemOperand(object, HeapObject::kMapOffset));
|
| Label loop;
|
| __ Bind(&loop);
|
| +
|
| + // Deoptimize if the object needs to be access checked.
|
| + __ Ldrb(object_instance_type,
|
| + FieldMemOperand(object_map, Map::kBitFieldOffset));
|
| + __ Tst(object_instance_type, Operand(1 << Map::kIsAccessCheckNeeded));
|
| + DeoptimizeIf(ne, instr, Deoptimizer::kAccessCheck);
|
| + // Deoptimize for proxies.
|
| __ CompareInstanceType(object_map, object_instance_type, JS_PROXY_TYPE);
|
| DeoptimizeIf(eq, instr, Deoptimizer::kProxy);
|
| +
|
| __ Ldr(object_prototype, FieldMemOperand(object_map, Map::kPrototypeOffset));
|
| __ Cmp(object_prototype, prototype);
|
| __ B(eq, instr->TrueLabel(chunk_));
|
|
|