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.. _release-8-10-3:
Release notes for version 8.10.4
================================
The significant changes to the various parts of the compiler are listed in the
following sections.
Like previous releases in the 8.10 series, the :ghc-flag:`LLVM backend <-fllvm>`
of this release is to be used with LLVM 9.
Bug Fixes
---------
- Fix a linker hang triggered by dynamic code loading on Windows
(:ghc-ticket:`19155`)
- Fix a crash caused by inappropriate garbage of heap-allocated data reachable
from foreign exports (:ghc-tickets:`19149`).
Known issues
------------
- A long-standing bug (:ghc-ticket:`16893`) which can cause some applications
of ``unsafeCoerce`` to segmentation fault is only partially fixed in this
release. This release only avoids this issue in the uses of ``unsafeCoerce``
in ``Data.Typeable.Internal``, which was the proximate cause of
:ghc-ticket:`16893`.
However, it is possible that this bug could manifest in user-code using
``unsafeCoerce`` to perform dynamic type checks. See the :ghc-ticket:`ticket
<16893>` for details.
We expect that this issue will be fixed in the next major release of GHC.
- A long-standing bug (:ghc-ticket:`17760`) where some uses of the ``touch#``
primop can be dropped by the simplifier is present in this release. This bug
will be fixed in GHC 9.0.1. In the meantime, see the :ghc-ticket:`ticket
<17760>` for mitigations.
Included libraries
------------------
The package database provided with this distribution also contains a number of
packages other than GHC itself. See the changelogs provided with these packages
for further change information.
.. ghc-package-list::
libraries/array/array.cabal: Dependency of ``ghc`` library
libraries/base/base.cabal: Core library
libraries/binary/binary.cabal: Dependency of ``ghc`` library
libraries/bytestring/bytestring.cabal: Dependency of ``ghc`` library
libraries/Cabal/Cabal/Cabal.cabal: Dependency of ``ghc-pkg`` utility
libraries/containers/containers/containers.cabal: Dependency of ``ghc`` library
libraries/deepseq/deepseq.cabal: Dependency of ``ghc`` library
libraries/directory/directory.cabal: Dependency of ``ghc`` library
libraries/exceptions/exceptions.cabal: Dependency of ``haskeline`` library
libraries/filepath/filepath.cabal: Dependency of ``ghc`` library
compiler/ghc.cabal: The compiler itself
libraries/ghci/ghci.cabal: The REPL interface
libraries/ghc-boot/ghc-boot.cabal: Internal compiler library
libraries/ghc-boot-th/ghc-boot-th.cabal: Internal compiler library
libraries/ghc-compact/ghc-compact.cabal: Core library
libraries/ghc-heap/ghc-heap.cabal: GHC heap-walking library
libraries/ghc-prim/ghc-prim.cabal: Core library
libraries/haskeline/haskeline.cabal: Dependency of ``ghci`` executable
libraries/hpc/hpc.cabal: Dependency of ``hpc`` executable
libraries/integer-gmp/integer-gmp.cabal: Core library
libraries/libiserv/libiserv.cabal: Internal compiler library
libraries/mtl/mtl.cabal: Dependency of ``Cabal`` library
libraries/parsec/parsec.cabal: Dependency of ``Cabal`` library
libraries/pretty/pretty.cabal: Dependency of ``ghc`` library
libraries/process/process.cabal: Dependency of ``ghc`` library
libraries/stm/stm.cabal: Dependency of ``haskeline`` library
libraries/template-haskell/template-haskell.cabal: Core library
libraries/terminfo/terminfo.cabal: Dependency of ``haskeline`` library
libraries/text/text.cabal: Dependency of ``Cabal`` library
libraries/time/time.cabal: Dependency of ``ghc`` library
libraries/transformers/transformers.cabal: Dependency of ``ghc`` library
libraries/unix/unix.cabal: Dependency of ``ghc`` library
libraries/Win32/Win32.cabal: Dependency of ``ghc`` library
libraries/xhtml/xhtml.cabal: Dependency of ``haddock`` executable
|
