| Index: src/crankshaft/arm/lithium-codegen-arm.cc
|
| diff --git a/src/crankshaft/arm/lithium-codegen-arm.cc b/src/crankshaft/arm/lithium-codegen-arm.cc
|
| index a637a9be541043f319731299f2e4d756970a6eb8..b2d57954093f5bfbee6f364d94d7fcafa77a6725 100644
|
| --- a/src/crankshaft/arm/lithium-codegen-arm.cc
|
| +++ b/src/crankshaft/arm/lithium-codegen-arm.cc
|
| @@ -2642,8 +2642,16 @@ 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);
|
| EmitTrueBranch(instr, eq);
|
|
|