[builtins] Always pass target and new target to C++ builtins

src/mips/builtins-mips.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_MIPS
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/runtime/runtime.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 -------------
   //  -- a0                 : number of arguments excluding receiver
   //  -- a1                 : target
   //  -- a3                 : new.target
   //  -- sp[0]              : last argument
   //  -- ...
   //  -- sp[4 * (argc - 1)] : first argument
   //  -- sp[4 * agrc]       : receiver
   // -----------------------------------
   __ AssertFunction(a1);
 
   // 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).
   __ lw(cp, FieldMemOperand(a1, JSFunction::kContextOffset));
 
   // Insert extra arguments.
-  int num_extra_args = 0;
-  switch (extra_args) {
-    case BuiltinExtraArguments::kTarget:
-      __ Push(a1);
-      ++num_extra_args;
-      break;
-    case BuiltinExtraArguments::kNewTarget:
-      __ Push(a3);
-      ++num_extra_args;
-      break;
-    case BuiltinExtraArguments::kTargetAndNewTarget:
-      __ Push(a1, a3);
-      num_extra_args += 2;
-      break;
-    case BuiltinExtraArguments::kNone:
-      break;
-  }
+  const int num_extra_args = 2;
+  __ Push(a1, a3);
 
   // JumpToExternalReference expects a0 to contain the number of arguments
   // including the receiver and the extra arguments.
   __ Addu(a0, a0, num_extra_args + 1);
 
   __ JumpToExternalReference(ExternalReference(id, masm->isolate()));
 }
 
 
 // Load the built-in InternalArray function from the current context.
@@ skipping 2906 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS