[Haskell-cafe] [ANNOUNCE] GHC 8.8.2-rc1 is now available

Ben Gamari ben at well-typed.com
Thu Dec 12 20:11:14 UTC 2019

Hello everyone,

The GHC team is proud to announce the first release candidate of GHC
8.8.2. The source distribution, binary distributions, and documentation
are available at


Release notes are also available [1].

This release fixes a handful of issues affecting 8.8.1:

 - A bug (#17088) in the compacting garbage collector resulting in
   segmentations faults under specific circumstances. Note that this may
   affect user programs even if they did not explicitly request the
   compacting GC (using the -c RTS flag) since GHC may fallback to
   compacting collection during times of high memory pressure.
 - A code generation bug (#17334) resulting in GHC panics has been

 - A bug in the `process` library causing builds using `hsc2hs` to fail
   non-deterministically on Windows has been fixed (Trac #17480)

 - A typechecker bug (#12088) resulting in programs being unexpectedly
   rejected has been fixed.

 - A bug in the implementation of compact normal forms resulting in
   segmentation faults in some uses (#17044) has been fixed.

 - A bug causing GHC to incorrectly complain about incompatible LLVM
   versions when using LLVM 7.0.1 has been fixed (#16990).

As always, if anything looks amiss do let us know.

Happy compiling!


- Ben

[1] https://downloads.haskell.org/ghc/8.8.2-rc1/docs/html/users_guide/8.8.2-notes.html
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