Commit 615fba2a authored by Ben Gamari's avatar Ben Gamari 🐢

A few more release notes

parent 28595b7a
......@@ -16,33 +16,40 @@ The highlights, since the 8.4.1 release, are:
- Fix a regression causing the interpreter to segmentation fault when built with
profiling (:ghc-ticket:`14705`)
- DWARF debug information support has been significantly improved
(:ghc-ticket:`14894`, :ghc-ticket:`14779`)
- A regression in runtime performance of code involving ``newtype``\s has been
fixed (:ghc-ticket:`14936`)
Full details
------------
Language
~~~~~~~~
- Fix a regression in which derived ``Read`` instances for record data types
with field names ending with ``#`` (by way of :ghc-flag:`-XMagicHash`) would
no longer parse valid output.
In addition to the highlights listed above, this release resolves a number of
other issues, described below.
Compiler
~~~~~~~~
In addition to the regressions listed above, this release fixes a bug affecting
GHC's debug output support (:ghc-flag:`-g`) which resulted in invalid code to be
generated for string literals (:ghc-ticket:`13868`)
- A bug affecting GHC's debug output support (:ghc-flag:`-g`) which resulted in
invalid code being generated for string literals (:ghc-ticket:`13868`)
- :ghc-ticket:`14918`, where ``Read`` instances for types with field names
containing ``#`` would fail to parse, has been fixed.
- Several compiler panics have been resolved (:ghc-ticket:`12158`,
:ghc-ticket:`15002`, :ghc-ticket:`14933`, :ghc-ticket:`14959`)
- Fix a regression in which derived ``Read`` instances for record data types
with field names ending with ``#`` (by way of :ghc-flag:`-XMagicHash`) would
no longer parse valid output.
Runtime system
~~~~~~~~~~~~~~
- A bug causing panics while running programs with :rts-flag:`-hr` was fixed
(:ghc-ticket:`14947`)
- A bug causing panics while running programs with retainer profiling
(:rts-flag:`-hr`) was fixed (:ghc-ticket:`14947`)
Template Haskell
~~~~~~~~~~~~~~~~
......@@ -77,6 +84,8 @@ Build system
- ``configure`` now takes a ``--disable-dtrace`` flag, allowing workaround of
:ghc-ticket:`15040`.
- A bug breaking GHC builds bootstrapped on Darwin has been fixed (:ghc-ticket:`14972`)
Included libraries
------------------
......
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