RFR: JDK-8222744: add support for generating method handles from a variable symbol

[Maurizio Cimadamore]

Looks good - an alternative would have been to use an anonymous inner 
class creation in VarSymbol::asMethodHandle, but I don't feel strongly 
either way, and I'll leave the decision to you.

Maurizio

On 22/04/2019 22:16, Vicente Romero wrote:
> Please review the fix for [1] at [2]. This is a small follow up after 
> [3] which introduced a new internal constant pool API in javac. We 
> realized that it was not possible to generate with the new API method 
> handles with reference kinds:
>
>  * REF_getField
>  * REF_putField
>  * REF_getStatic
>  * REF_putStatic
>
> This patch adds that feature,
>
> Thanks,
> Vicente
>
> [1] https://bugs.openjdk.java.net/browse/JDK-8222744
> [2] http://cr.openjdk.java.net/~vromero/8222744/
> [3] https://bugs.openjdk.java.net/browse/JDK-8222289