[ast] Remove heap accesses from AST numbering

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 1089 matching lines @@
 
 bool Object::ToUint32(uint32_t* value) {
   if (IsSmi()) {
     int num = Smi::cast(this)->value();
     if (num < 0) return false;
     *value = static_cast<uint32_t>(num);
     return true;
   }
   if (IsHeapNumber()) {
     double num = HeapNumber::cast(this)->value();
-    if (num < 0) return false;
-    uint32_t uint_value = FastD2UI(num);
-    if (FastUI2D(uint_value) == num) {
-      *value = uint_value;
-      return true;
-    }
+    return DoubleToUint32IfEqualToSelf(num, value);
   }
   return false;
 }
 
 // static
 MaybeHandle<JSReceiver> Object::ToObject(Isolate* isolate,
                                          Handle<Object> object) {
   if (object->IsJSReceiver()) return Handle<JSReceiver>::cast(object);
   return ToObject(isolate, object, isolate->native_context());
 }
@@ skipping 7327 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_