[ANNOUNCE] GHC 8.0.2 release candidate 2

[George Colpitts]

binary works fine also, same env, same testing as with compiled source

I did notice a very minor infelicity in the TOC for the pdf User's Guide. I
think it was there in rc1 also

The formatting seems to assume there are are never more than 3 digits on
lines such as the following and is missing a space when there are 4 digits,
e.g.

10.7 Pattern synonyms  . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 267

10.8 Class and instances declarations  . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . 273

10.9 Type families  . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . 294

10.10Datatype promotion  . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 308

10.11Kind polymorphism and Type-in-Type  . . . . . . . . . . . . . . . . .
. . . . . . . . . 311

10.12Runtime representation polymorphism  . .

On Thu, Dec 22, 2016 at 7:23 PM George Colpitts <george.colpitts at gmail.com>
wrote:

> compiled from source with no issues on Mac OS 10.12.2 with XCode 8.2.1.
> Compiled vector package with it, did some smoke testing of the runtime,
> seems fine
>
> On Thu, Dec 22, 2016 at 3:39 PM Ben Gamari <ben at well-typed.com> wrote:
>
>
> Hello everyone,
>
> The GHC team is happy to announce the second 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-rc2/
>
> This is the second and likely final release candidate leading up the
> 8.0.2 release. This release will fix a number of 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.
>
> This release candidate fixes a number of issues present in -rc1,
>
>   * #12757, which lead to broken runtime behavior and even crashes in
>     the presence of primitive strings.
>
>   * #12844, a type inference issue affecting partial type signatures.
>
>   * A bump of the `directory` library, fixing buggy path
>     canonicalization behavior (#12894). Unfortunately this required a
>     major version bump in `directory` and minor bumps in several other
>     libraries.
>
>   * #12912, where use of the `select` system call would lead to runtime
>     system failures with large numbers of open file handles.
>
> If all goes well we should have a final 8.0.2 release out shortly after
> the new year. 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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>
>
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