new classes: implement new.target passing to superclass constructor.

src/compiler/linkage.cc

 // Copyright 2014 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/code-stubs.h"
 #include "src/compiler.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/node.h"
 #include "src/compiler/pipeline.h"
 #include "src/scopes.h"
@@ skipping 33 matching lines @@
     // plus the receiver.
     return GetJSCallDescriptor(zone, info->is_osr(),
                                1 + info->function()->parameter_count(),
                                CallDescriptor::kNoFlags);
   }
   if (!info->closure().is_null()) {
     // If we are compiling a JS function, use a JS call descriptor,
     // plus the receiver.
     SharedFunctionInfo* shared = info->closure()->shared();
     return GetJSCallDescriptor(zone, info->is_osr(),
-                               1 + shared->formal_parameter_count(),
+                               1 + shared->internal_formal_parameter_count(),
                                CallDescriptor::kNoFlags);
   }
   if (info->code_stub() != NULL) {
     // Use the code stub interface descriptor.
     CallInterfaceDescriptor descriptor =
         info->code_stub()->GetCallInterfaceDescriptor();
     return GetStubCallDescriptor(info->isolate(), zone, descriptor, 0,
                                  CallDescriptor::kNoFlags,
                                  Operator::kNoProperties);
   }
@@ skipping 138 matching lines @@
 
 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
                                                   const MachineSignature* sig) {
   UNIMPLEMENTED();
   return NULL;
 }
 #endif  // !V8_TURBOFAN_BACKEND
 }
 }
 }  // namespace v8::internal::compiler