[ESnext] Implement Promise.prototype.finally

src/objects-debug.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.
 
 #include "src/objects.h"
 
 #include "src/bootstrapper.h"
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/field-type.h"
@@ skipping 456 matching lines @@
   // In an expression like "new g()", there can be a point where a generator
   // object is allocated but its fields are all undefined, as it hasn't yet been
   // initialized by the generator.  Hence these weak checks.
   VerifyObjectField(kFunctionOffset);
   VerifyObjectField(kContextOffset);
   VerifyObjectField(kReceiverOffset);
   VerifyObjectField(kRegisterFileOffset);
   VerifyObjectField(kContinuationOffset);
 }
 
-
 void JSValue::JSValueVerify() {
   Object* v = value();
   if (v->IsHeapObject()) {
     VerifyHeapPointer(v);
   }
 }
 
 
 void JSDate::JSDateVerify() {
   if (value()->IsHeapObject()) {
@@ skipping 1069 matching lines @@
 
   // Both are done at the same time.
   CHECK_EQ(new_it.done(), old_it.done());
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8