Improve error message for calling super() twice in a derived constructor

src/runtime/runtime-classes.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/runtime/runtime-utils.h"
 
 #include <stdlib.h>
 #include <limits>
 
 #include "src/accessors.h"
@@ skipping 27 matching lines @@
 }
 
 
 RUNTIME_FUNCTION(Runtime_ThrowStaticPrototypeError) {
   HandleScope scope(isolate);
   DCHECK_EQ(0, args.length());
   THROW_NEW_ERROR_RETURN_FAILURE(
       isolate, NewTypeError(MessageTemplate::kStaticPrototype));
 }
 
+RUNTIME_FUNCTION(Runtime_ThrowSuperAlreadyCalledError) {
+  HandleScope scope(isolate);
+  DCHECK_EQ(0, args.length());
+  THROW_NEW_ERROR_RETURN_FAILURE(
+      isolate, NewReferenceError(MessageTemplate::kSuperAlreadyCalled));
+}
+
 namespace {
 
 Object* ThrowNotSuperConstructor(Isolate* isolate, Handle<Object> constructor,
                                  Handle<JSFunction> function) {
   Handle<Object> super_name;
   if (constructor->IsJSFunction()) {
     super_name = handle(Handle<JSFunction>::cast(constructor)->shared()->name(),
                         isolate);
   } else if (constructor->IsOddball()) {
     DCHECK(constructor->IsNull(isolate));
@@ skipping 432 matching lines @@
   }
 
   // Call the constructor.
   RETURN_RESULT_OR_FAILURE(
       isolate, Execution::New(isolate, constructor, new_target, result_length,
                               construct_args.start()));
 }
 
 }  // namespace internal
 }  // namespace v8