X87: [builtins] Always pass target and new target to C++ builtins.

src/x87/builtins-x87.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/x87/frames-x87.h"
 
 namespace v8 {
 namespace internal {
 
 
 #define __ ACCESS_MASM(masm)
 
-
-void Builtins::Generate_Adaptor(MacroAssembler* masm,
-                                CFunctionId id,
-                                BuiltinExtraArguments extra_args) {
+void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id) {
   // ----------- S t a t e -------------
   //  -- eax                : number of arguments excluding receiver
   //  -- edi                : target
   //  -- edx                : new.target
   //  -- esp[0]             : return address
   //  -- esp[4]             : last argument
   //  -- ...
   //  -- esp[4 * argc]      : first argument
   //  -- esp[4 * (argc +1)] : receiver
   // -----------------------------------
   __ AssertFunction(edi);
 
   // Make sure we operate in the context of the called function (for example
   // ConstructStubs implemented in C++ will be run in the context of the caller
   // instead of the callee, due to the way that [[Construct]] is defined for
   // ordinary functions).
   __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
 
   // Insert extra arguments.
-  int num_extra_args = 0;
-  if (extra_args != BuiltinExtraArguments::kNone) {
-    __ PopReturnAddressTo(ecx);
-    if (extra_args & BuiltinExtraArguments::kTarget) {
-      ++num_extra_args;
-      __ Push(edi);
-    }
-    if (extra_args & BuiltinExtraArguments::kNewTarget) {
-      ++num_extra_args;
-      __ Push(edx);
-    }
-    __ PushReturnAddressFrom(ecx);
-  }
+  const int num_extra_args = 2;
+  __ PopReturnAddressTo(ecx);
+  __ Push(edi);
+  __ Push(edx);
+  __ PushReturnAddressFrom(ecx);
 
   // JumpToExternalReference expects eax to contain the number of arguments
   // including the receiver and the extra arguments.
   __ add(eax, Immediate(num_extra_args + 1));
 
   __ JumpToExternalReference(ExternalReference(id, masm->isolate()));
 }
 
 static void GenerateTailCallToReturnedCode(MacroAssembler* masm,
                                            Runtime::FunctionId function_id) {
@@ skipping 2941 matching lines @@
   // And "return" to the OSR entry point of the function.
   __ ret(0);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87