Revert of Set the current context to the function's context when entering to LAP.

src/compiler/js-call-reducer.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/js-call-reducer.h"
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/access-builder.h"
@@ skipping 648 matching lines @@
   // TODO(turbofan): Consider introducing a JSCallApiCallback operator for
   // this and lower it during JSGenericLowering, and unify this with the
   // JSNativeContextSpecialization::InlineApiCall method a bit.
   Handle<CallHandlerInfo> call_handler_info(
       CallHandlerInfo::cast(function_template_info->call_code()), isolate());
   Handle<Object> data(call_handler_info->data(), isolate());
   CallApiCallbackStub stub(isolate(), argc, false);
   CallInterfaceDescriptor cid = stub.GetCallInterfaceDescriptor();
   CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor(
       isolate(), graph()->zone(), cid,
-      cid.GetStackParameterCount() + argc +
-          2 /* implicit receiver + accessor_holder */,
+      cid.GetStackParameterCount() + argc + 1 /* implicit receiver */,
       CallDescriptor::kNeedsFrameState, Operator::kNoProperties,
       MachineType::AnyTagged(), 1);
   ApiFunction api_function(v8::ToCData<Address>(call_handler_info->callback()));
   Node* holder = lookup == CallOptimization::kHolderFound
                      ? jsgraph()->HeapConstant(api_holder)
                      : receiver;
   ExternalReference function_reference(
       &api_function, ExternalReference::DIRECT_API_CALL, isolate());
   node->InsertInput(graph()->zone(), 0,
                     jsgraph()->HeapConstant(stub.GetCode()));
   node->InsertInput(graph()->zone(), 2, jsgraph()->Constant(data));
   node->InsertInput(graph()->zone(), 3, holder);
   node->InsertInput(graph()->zone(), 4,
                     jsgraph()->ExternalConstant(function_reference));
-  node->InsertInput(graph()->zone(), 5, holder /* as accessor_holder */);
-  node->ReplaceInput(6, receiver);
+  node->ReplaceInput(5, receiver);
   NodeProperties::ChangeOp(node, common()->Call(call_descriptor));
   return Changed(node);
 }
 
 Reduction JSCallReducer::ReduceCallOrConstructWithArrayLikeOrSpread(
     Node* node, int arity, CallFrequency const& frequency) {
   DCHECK(node->opcode() == IrOpcode::kJSCallWithArrayLike ||
          node->opcode() == IrOpcode::kJSCallWithSpread ||
          node->opcode() == IrOpcode::kJSConstructWithArrayLike ||
          node->opcode() == IrOpcode::kJSConstructWithSpread);
@@ skipping 491 matching lines @@
   return jsgraph()->javascript();
 }
 
 SimplifiedOperatorBuilder* JSCallReducer::simplified() const {
   return jsgraph()->simplified();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8