[commit: ghc] ghc-8.2: Write release notes for 8.2.2 (ca5442f)

Mon Nov 20 15:39:08 UTC 2017

Typo:

ihn environments -->  in environments

On 11/20/17, git at git.haskell.org <git at git.haskell.org> wrote:
> Repository : ssh://git@git.haskell.org/ghc
>
> On branch  : ghc-8.2
> Link       :
> http://ghc.haskell.org/trac/ghc/changeset/ca5442fc28b40ae9dc8230a5ad468d3c18f2e151/ghc
>
>>---------------------------------------------------------------
>
> commit ca5442fc28b40ae9dc8230a5ad468d3c18f2e151
> Author: Ben Gamari <ben at smart-cactus.org>
> Date:   Mon Nov 20 08:01:04 2017 -0500
>
>     Write release notes for 8.2.2
>
>
>>---------------------------------------------------------------
>
> ca5442fc28b40ae9dc8230a5ad468d3c18f2e151
>  docs/users_guide/8.2.2-notes.rst | 242
> +++++++++++++++++++++++++++++++++++++++
>  docs/users_guide/index.rst       |   1 +
>  2 files changed, 243 insertions(+)
>
> diff --git a/docs/users_guide/8.2.2-notes.rst
> b/docs/users_guide/8.2.2-notes.rst
> new file mode 100644
> index 0000000..bf00159
> --- /dev/null
> +++ b/docs/users_guide/8.2.2-notes.rst
> @@ -0,0 +1,242 @@
> +.. _release-8-2-2:
> +
> +Release notes for version 8.2.2
> +===============================
> +
> +The significant changes to the various parts of the compiler are listed
> +in the following sections. This is a patch-level release which contains
> numerous
> +bug-fixes over 8.2.1.
> +
> +Highlights
> +----------
> +
> +The highlights since the 8.0 release include:
> +
> +- Several important correctness issues fixing potential runtime crashes
> +  (:ghc-ticket:`13707`, :ghc-ticket:`14346`)
> +
> +- A correctness issue leading to undefined behavior in some programs making
> use
> +  of STM (:ghc-ticket:`14717`)
> +
> +- A runtime system bug which may have manifested as a segmentation fault
> under
> +  low-memory conditions (:ghc-ticket:`14329`)
> +
> +- ``ghc-pkg`` now works correctly ihn environments with misconfigured NFS
> mounts
> +  (:ghc-ticket:`13945`)
> +
> +- GHC can now produce position-independent executables
> (:ghc-ticket:`13702`)
> +
> +- Significantly improved type errors (:ghc-ticket:`11198`,
> :ghc-ticket:`12373`,
> +  :ghc-ticket:`13530`, :ghc-ticket:`13610`)
> +
> +Full details
> +------------
> +
> +Package system
> +~~~~~~~~~~~~~~
> +
> +- Various Backpack fixes (:ghc-ticket:`14304`)
> +
> +Language
> +~~~~~~~~
> +
> +-  Sum patterns are now considered to be non-irrefutable
> (:ghc-ticket:`14228`).
> +
> +-  :ghc-flag:`-XApplicativeDo` is now able to more robustly deal with
> ``do``
> +   blocks containing strict patterns (:ghc-ticket:`14163`).
> +
> +Compiler
> +~~~~~~~~
> +
> +- An implementation inconsistency leading to subtly typechecker panics with
> +   :ghc-flag:`-j ⟨n⟩` has been fixed.
> +
> +- We now always link with ``libm``. This fixes ``ld.gold`` on some
> platforms
> +  (e.g. NixOS) which demand that we declare all link dependencies.
> +
> +- We now link against ``libpthread`` instead of ``libthr`` on FreeBSD
> +
> +- Fix renamer bug triggered by typechecking ``hs-boot`` files containing
> orphan
> +  instances (:ghc-ticket:`14128`)
> +
> +- The cost-center profiler's event-log support now also supports breakdown
> by
> +  closure type (:rts-flag:`-hT`, :ghc-ticket:`14096`)
> +
> +- A bug resulting in Core Lint failures for some programs using
> +  :ghc-flag:`-XStaticPointers` in GHCi has been fixed (:ghc-ticket:`13481`)
> +
> +- The compiler now robustly handles constraint wildcards which expand to
> large
> +  tuple constraints (i.e. wider than 63 constraints)
> +
> +- We now catch more inappropriate levity polymorphism (:ghc-ticket:`13929`)
> +
> +- A bug leading to data constructor fields having incorrect strictness
> +  signatures has been fixed (:ghc-ticket:`14290`)
> +
> +- An incorrect strictness signature for ``retry#`` which may result in
> undefined
> +  behavior at runtime has been fixed (:ghc-ticket:`14171`)
> +
> +- A bug in the short-cut solver leading to an infinite in typechecking has
> been
> +  fixed (:ghc-tickets:`13943`)
> +
> +- The compiler no longer panics when faced with ``ByteArray#`` arguments in
> a
> +  ``foreign import``
> +
> +- Over-zealous optimization of
> ``Foreign.Marshal.Alloc.allocBytes[Aligned]``
> +  resulting in undefined behavior has been worked around
> (:ghc-ticket:`14346`)
> +
> +GHCi
> +~~~~
> +
> +- GHCi now behaves correctly when :kbd:`Ctrl-C` is pressed on Windows
> (:ghc-ticket:`14150`)
> +
> +- GHCi now takes a :ghc-flag:`-show-mods-loaded` flag to reenable showing
> of
> +  names of modules loaded by :ghci-cmd:`:load` (:ghc-ticket:`14427`)
> +
> +Build system
> +~~~~~~~~~~~~
> +
> +- ``configure`` now probes ``ld.gold`` even if ``ld.lld`` is found yet
> +   determined to be unusable (:ghc-ticket:`14280`)
> +
> +
> +Runtime system
> +~~~~~~~~~~~~~~
> +
> +-  Compact regions now support small pointer arrays (:ghc-ticket:`13860`)
> +
> +-  The RTS can now load DLLs with with an empty import table on 32-bit
> Windows (:ghc-ticket:`14081`)
> +
> +-  The :rts-flag:`-po` flag now works; previously it existed but had no
> function.
> +
> +hsc2hs
> +~~~~~~
> +
> +-  Version number 0.68.2
> +
> +Libraries
> +---------
> +
> +array
> +~~~~~
> +
> +-  Version number 0.5.2.0 (was 0.5.2.0)
> +
> +.. _lib-base:
> +
> +base
> +~~~~
> +
> +See ``changelog.md`` in the ``base`` package for full release notes.
> +
> +-  Version number 4.10.1.0 (was 4.10.0.0)
> +
> +- ``clearBit :: Natural -> Natural`` no longer bottoms
> (:ghc-ticket:`13203`)
> +
> +- The file locking primitives provided by ``GHC.IO.Handle`` now use
> +  Linux open file descriptor locking if available.
> +
> +binary
> +~~~~~~
> +
> +-  Version number 0.8.5.1 (was 0.8.5.1)
> +
> +bytestring
> +~~~~~~~~~~
> +
> +-  Version number 0.10.8.2 (was 0.10.8.2)
> +
> +Cabal
> +~~~~~
> +
> +-  Version number 2.0.1.0 (was 2.0.0.2)
> +
> +containers
> +~~~~~~~~~~
> +
> +-  Version number 0.5.10.2 (was 0.5.10.2)
> +
> +deepseq
> +~~~~~~~
> +
> +-  Version number 1.4.3.0 (was 1.4.3.0)
> +
> +directory
> +~~~~~~~~~
> +
> +-  Version number 1.3.0.2 (was 1.3.0.0)
> +
> +filepath
> +~~~~~~~~
> +
> +-  Version number 1.4.1.2 (was 1.4.1.2)
> +
> +ghc
> +~~~
> +
> +-  Version number 8.2.2
> +
> +ghc-boot
> +~~~~~~~~
> +
> +-  This is an internal package. Use with caution.
> +
> +ghc-compact
> +~~~~~~~~~~~
> +
> +The ``ghc-compact`` library provides an experimental API for placing
> immutable
> +data structures into a contiguous memory region. Data in these regions is
> not
> +traced during garbage collection and can be serialized to disk or over the
> +network.
> +
> +- Version number 0.1.0.0 (was 0.1.0.0)
> +
> +ghc-prim
> +~~~~~~~~
> +
> +-  Version number 0.5.1.0 (was 0.5.1.0)
> +
> +hoopl
> +~~~~~
> +
> +-  Version number 3.10.2.2 (was 3.10.2.2)
> +
> +hpc
> +~~~
> +
> +-  Version number 0.6.0.3 (was 0.6.0.3)
> +
> +integer-gmp
> +~~~~~~~~~~~
> +
> +-  Version number 1.0.1.0 (was 1.0.0.1)
> +
> +process
> +~~~~~~~
> +
> +-  Version number 1.6.1.0 (was 1.6.1.0)
> +
> +template-haskell
> +~~~~~~~~~~~~~~~~
> +
> +-  Version 2.12.0.0 (was 2.12.0.0)
> +
> +time
> +~~~~
> +
> +-  Version number 1.8.0.2 (was 1.8.0.2)
> +
> +unix
> +~~~~
> +
> +-  Version number 2.7.2.2 (was 2.7.2.2)
> +
> +Win32
> +~~~~~
> +
> +-  Version number 2.5.4.1 (was 2.5.4.1)
> +
> +Known bugs
> +----------
> +
> +None, happily.
> diff --git a/docs/users_guide/index.rst b/docs/users_guide/index.rst
> index bdb6b98..13ad41f 100644
> --- a/docs/users_guide/index.rst
> +++ b/docs/users_guide/index.rst
> @@ -13,6 +13,7 @@ Contents:
>     license
>     intro
>     8.2.1-notes
> +   8.2.2-notes
>     ghci
>     runghc
>     usage
>
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