[turbofan] Properly represent the float64 hole.

src/objects.cc

 // Copyright 2015 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 <cmath>
 #include <iomanip>
 #include <memory>
 #include <sstream>
@@ skipping 13105 matching lines @@
   return builder.Finish().ToHandleChecked();
 }
 
 void Oddball::Initialize(Isolate* isolate, Handle<Oddball> oddball,
                          const char* to_string, Handle<Object> to_number,
                          const char* type_of, byte kind) {
   Handle<String> internalized_to_string =
       isolate->factory()->InternalizeUtf8String(to_string);
   Handle<String> internalized_type_of =
       isolate->factory()->InternalizeUtf8String(type_of);
-  oddball->set_to_number_raw(to_number->Number());
+  if (to_number->IsHeapNumber()) {
+    oddball->set_to_number_raw_as_bits(
+        Handle<HeapNumber>::cast(to_number)->value_as_bits());
+  } else {
+    oddball->set_to_number_raw(to_number->Number());
+  }
   oddball->set_to_number(*to_number);
   oddball->set_to_string(*internalized_to_string);
   oddball->set_type_of(*internalized_type_of);
   oddball->set_kind(kind);
 }
 
 void Script::SetEvalOrigin(Handle<Script> script,
                            Handle<SharedFunctionInfo> outer_info,
                            int eval_position) {
   if (eval_position == kNoSourcePosition) {
@@ skipping 7314 matching lines @@
       // depend on this.
       return DICTIONARY_ELEMENTS;
     }
     DCHECK_LE(kind, LAST_ELEMENTS_KIND);
     return kind;
   }
 }
 
 }  // namespace internal
 }  // namespace v8