notes from Valhalla meeting 5/24/17

Paul Sandoz paul.sandoz at
Wed Jun 21 20:59:47 UTC 2017

> On 21 Jun 2017, at 12:37, forax at wrote:
> De: "John Rose" <john.r.rose at>
> À: "Rémi Forax" <forax at>
> Cc: "Valhalla Expert Group Observers" <valhalla-spec-observers at>, valhalla-spec-experts at
> Envoyé: Mercredi 21 Juin 2017 18:03:49
> Objet: Re: notes from Valhalla meeting 5/24/17
> [...]
> It only repurposes the concept of field names and field types
> (as if from Fieldref but not using Fieldref) but does not actually link to fields.
> — John
> Ok, i do not understand exactly what you mean here,
> i will do a complete reading of the spec tomorrow so i hope things will be more clear for me.

Relevant bit:

  CONSTANT_ConstantDynamic_info {
      u1 tag;
      u2 bootstrap_method_attr_index;
      u2 name_and_type_index;

  The value of the name_and_type_index item must be a valid index into the constant_pool table. The constant_pool entry at
  that index must be a CONSTANT_NameAndType_info structure (§4.4.6) representing a field name and field descriptor (§4.3.2).

i.e. name and descriptor indexed by CONSTANT_NameAndType_info must conform to a field name and field descriptor respectively, but there is no such actual field.


More information about the valhalla-spec-observers mailing list