[ANNOUNCE] GHC 8.0.2 release candidate 1

[Judah Jacobson]

Thanks Ben!  When testing, I found that a type checker regression from 7.10
to 8.0 that I thought/hoped was resolved is in fact still present in this
release candidate.  I filed a new bug:
https://ghc.haskell.org/trac/ghc/ticket/12885

It originally seemed the same as #12175.  But unfortunately, although that
problem is resolved in 8.0.2-rc1, this one is still around (though they may
still be related).

Thanks,
-Judah


On Fri, Nov 25, 2016 at 2:38 PM, Ben Gamari <ben at well-typed.com> wrote:

>
> Hello everyone,
>
> The GHC team is happy to (finally!) announce the first candiate of the
> 8.0.2 release of the Glasgow Haskell Compiler. Source and binary
> distributions are available at
>
>     http://downloads.haskell.org/~ghc/8.0.2-rc1/
>
> This is the first of what will hopefully be only two release candidates
> leading up the final 8.0.2 release. This release will fix a number bugs
> found in 8.0.1 including,
>
>   * Interface file build determinism (#4012).
>
>   * Compatibility with macOS Sierra and GCC compilers which compile
>     position-independent executables by default
>
>   * Runtime linker fixes on Windows (see #12797)
>
>   * A compiler bug which resulted in undefined reference errors while
>     compiling some packages (see #12076)
>
>   * Compatability with systems which use the gold linker
>
>   * A number of memory consistency bugs in the runtime system
>
>   * A number of efficiency issues in the threaded runtime which manifest
>     on larger core counts and large numbers of bound threads.
>
>   * A typechecker bug which caused some programs using
>     -XDefaultSignatures to be incorrectly accepted.
>
>   * More than two-hundred other bugs. See Trac [1] for a complete
>     listing.
>
> Unfortunately there is one known bug (#12757) which can result in
> runtime crashes which is still lurking in -rc1. This will be fixed in
> -rc2, which will be released in about a week.
>
> As always, let us know if you encounter trouble. Thanks to everyone who
> has contributed so far!
>
> Happy testing,
>
> - Ben
>
>
> [1] https://ghc.haskell.org/trac/ghc/query?status=closed&
> milestone=8.0.2&col=id&col=summary&col=status&col=type&
> col=priority&col=milestone&col=component&order=priority
>
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