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| author | Ben Gamari <bgamari.foss@gmail.com> | 2017-07-11 12:01:05 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2017-07-11 13:41:55 -0400 |
| commit | ccb849f8ea39582d2cfc5c045abe9768992dccb6 (patch) | |
| tree | f8e57c34666475019a8451b88af81a3730018e26 /docs | |
| parent | fe6618b14712b829b8675fc6024dd33e9598d09a (diff) | |
| download | haskell-ccb849f8ea39582d2cfc5c045abe9768992dccb6.tar.gz | |
users-guide/rel-notes: Describe #13875 fix
Test Plan: Read it.
Reviewers: simonmar, austin
Reviewed By: simonmar
Subscribers: rwbarton, thomie
GHC Trac Issues: #13875
Differential Revision: https://phabricator.haskell.org/D3710
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/users_guide/8.2.1-notes.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/users_guide/8.2.1-notes.rst b/docs/users_guide/8.2.1-notes.rst index ba17e35c48..9dccc335d7 100644 --- a/docs/users_guide/8.2.1-notes.rst +++ b/docs/users_guide/8.2.1-notes.rst @@ -38,6 +38,12 @@ Compiler - TODO FIXME. +- A bug in the :ghc-flag:`-XApplicativeDo` extension resulting in strict pattern + matches to be performed lazily (:ghc-ticket:`13875`) has been fixed. Note that + this means some programs which previously typechecked under ``ApplicativeDo`` + will no longer as it is not possible to implement strict pattern matching + using only ``Applicative``. + - Old profiling flags ``-auto-all``, ``-auto``, and ``-caf-all`` are deprecated and their usage provokes a compile-time warning. |