[turbofan] Properly represent the float64 hole.

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 04e0511a57846fcda7a9734c8c49c4cf06fa1f1d..ecf821f2e7ca0d02d3f8e79b0f15b4a72362647e 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -1971,6 +1971,10 @@ void Oddball::set_to_number_raw(double value) {
   WRITE_DOUBLE_FIELD(this, kToNumberRawOffset, value);
 }
 
+void Oddball::set_to_number_raw_as_bits(uint64_t bits) {
+  WRITE_UINT64_FIELD(this, kToNumberRawOffset, bits);
+}
+
 ACCESSORS(Oddball, to_string, String, kToStringOffset)
 ACCESSORS(Oddball, to_number, Object, kToNumberOffset)
 ACCESSORS(Oddball, type_of, String, kTypeOfOffset)