RFF (12): JDK-8207954: Data for --release 11

[Jonathan Gibbons]

Jan,

OK for the code changes.

I still think it would be nice to see makefile support for generating 
these files, as compared
to comments in source coe, but that can be handled separately.

-- Jon

On 07/23/2018 04:44 AM, Jan Lahoda wrote:
> Hi,
>
> To support --release 11 in JDK 12, historical data for JDK 11 need to 
> be added. As new attributes (NestHost and NestMembers) have been added 
> to the classfile, there also needs to be some tweaking of the tool 
> that creates the historical descriptions and the ct.sym sigfiles.
>
> The proposed patch has two parts:
> -code changes, which include:
> --update to the build scripts and the tool, so that the tool can read 
> both the open and extra/closed description of the ct.sym content, and 
> merge those (there should not be any extra/closed for JDK 11, AFAIK, 
> so this is to avoid having to update the closed part).
> --improving the description on how to add historical data for new 
> releases, using the new source launcher
> --adding support for the new NestHost/NestMembers attributes
> --adding a new test which strives to fail when a new attribute is 
> added and CreateSymbols is not updated
> http://cr.openjdk.java.net/~jlahoda/8207954/webrev.code.00/
>
> -addition of the historical data:
> http://cr.openjdk.java.net/~jlahoda/8207954/webrev.data.00/
> (these may need to be re-generated when the final JDK 11 is released 
> in case there are any changes, but that should be very simple)
>
> JBS: https://bugs.openjdk.java.net/browse/JDK-8207954
>
> Any feedback is welcome,
>      Jan