Request to backport 4 changesets

[Joe Darcy]

Jonathan Gibbons wrote:
> Joe,
>
> I would like to backport the following block of langtools changesets 
> from 7 to 6-open, b21
>
> -- Jon

Jon, those would be fine additions to b21; approved!

-Joe

>
>
> changeset:   91:748b44c7c40c
> user:        jjg
> date:        Thu Jul 10 16:50:38 2008 -0700
> summary:     6724551: Use Queues instead of Lists to link compiler phases
>
> changeset:   92:7ef9dea67bb9
> user:        jjg
> date:        Wed Jul 23 19:55:30 2008 -0700
> summary:     6726015: JavaCompiler: replace desugarLater by compileStates
>
> changeset:   93:410697a6c8ef
> user:        mcimadamore
> date:        Fri Aug 08 17:48:04 2008 +0100
> summary:     6734819: Javac performs flows analysis on already 
> translated classes
>
> changeset:   94:daa4b9c734fb
> tag:         tip
> user:        jjg
> date:        Wed Jun 16 16:23:27 2010 -0700
> summary:     6956638: JavacTask.generate does not generate all 
> required files
>