Report promise reject with no handler (behind a flag).

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 6097 matching lines @@
 ACCESSORS(JSDate, month, Object, kMonthOffset)
 ACCESSORS(JSDate, day, Object, kDayOffset)
 ACCESSORS(JSDate, weekday, Object, kWeekdayOffset)
 ACCESSORS(JSDate, hour, Object, kHourOffset)
 ACCESSORS(JSDate, min, Object, kMinOffset)
 ACCESSORS(JSDate, sec, Object, kSecOffset)
 
 
 ACCESSORS(JSMessageObject, type, String, kTypeOffset)
 ACCESSORS(JSMessageObject, arguments, JSArray, kArgumentsOffset)
+ACCESSORS(JSMessageObject, promise, Object, kPromiseOffset)
 ACCESSORS(JSMessageObject, script, Object, kScriptOffset)
 ACCESSORS(JSMessageObject, stack_frames, Object, kStackFramesOffset)
 SMI_ACCESSORS(JSMessageObject, start_position, kStartPositionOffset)
 SMI_ACCESSORS(JSMessageObject, end_position, kEndPositionOffset)
 
 
 INT_ACCESSORS(Code, instruction_size, kInstructionSizeOffset)
 INT_ACCESSORS(Code, prologue_offset, kPrologueOffset)
 ACCESSORS(Code, relocation_info, ByteArray, kRelocationInfoOffset)
 ACCESSORS(Code, handler_table, FixedArray, kHandlerTableOffset)
@@ skipping 1107 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_