Introduce a code stub version of Array.prototype.push

src/objects-inl.h

 // 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 5795 matching lines @@
   if (src_str->IsOneByteRepresentation()) {
     return ExternalOneByteString::cast(src)->resource() != NULL;
   } else if (src_str->IsTwoByteRepresentation()) {
     return ExternalTwoByteString::cast(src)->resource() != NULL;
   }
   return true;
 }
 
 
 void SharedFunctionInfo::DontAdaptArguments() {
-  DCHECK(code()->kind() == Code::BUILTIN);
+  DCHECK(code()->kind() == Code::BUILTIN || code()->kind() == Code::STUB);
   set_internal_formal_parameter_count(kDontAdaptArgumentsSentinel);
 }
 
 
 int SharedFunctionInfo::start_position() const {
   return start_position_and_type() >> kStartPositionShift;
 }
 
 
 void SharedFunctionInfo::set_start_position(int start_position) {
@@ skipping 1978 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_