merging with latest jdk7: langtools

[Jonathan Gibbons]

Jonathan Gibbons wrote:
> I have merged (but not yet committed and pushed) the latest 
> jdk7/tl/langtools into a copy of jigsaw/jigsaw/langtools.
>
> It builds itself OK.
> It runs regression tests against a recent JDK7 build OK
> -- we need a one line fix in jigsaw/jigsaw/jdk to be able to run 
> langtools regression tests with jigsaw jdk.
>
> I have JPRT jobs to build jigsaw (langtools+jdk) awaiting execution.
>
> Assuming all goes well with testing, how do we want to stage the 
> execution here: is there any reason not to commit and push this 
> updated copy of langtools?
>
> -- Jon
>
This work needs to be coordinated with jdk/ because of the changes in 
the defaults for -source and -target.

-- Jon