constant-dynamic specification, updated

[John Rose]

On Jun 25, 2017, at 3:00 PM, Per Bothner <per at bothner.com> wrote:
> 
> That will be difficult as long as constant pool indexes and various
> other fields are limited to 16 bits.

Yep; that's a challenge, until we break the glass and make a
completely new class file format that integrates a var-int format.
(My favorite is UNSIGNED5.)

But we can (and should) put off the day of glass-breaking
by tactical moves like CONSTANT_Group, which will allow
you to express a single sequence of constant tokens of
any length, without (necessarily) using up indexes in the
main CP.

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