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| author | Ben Gamari <ben@smart-cactus.org> | 2018-04-13 18:10:39 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2018-04-13 18:10:39 -0400 |
| commit | 09128f3a3d754abcef63480bc7e2e901d30b155a (patch) | |
| tree | 28e7d1c6d3bf378caa2b1571b7de61a1368bb39f | |
| parent | fea04defa64871caab6339ff3fc5511a272f37c7 (diff) | |
| download | haskell-09128f3a3d754abcef63480bc7e2e901d30b155a.tar.gz | |
users guide: Note improved constant folding in 8.6 release notes
| -rw-r--r-- | docs/users_guide/8.6.1-notes.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/users_guide/8.6.1-notes.rst b/docs/users_guide/8.6.1-notes.rst index 74bf929df4..996fb17a28 100644 --- a/docs/users_guide/8.6.1-notes.rst +++ b/docs/users_guide/8.6.1-notes.rst @@ -79,6 +79,10 @@ Compiler - GHC now supports British spelling of :extension:`GeneralizedNewtypeDeriving`. +- GHC now does significantly more constant folding in its core-to-core optimiser. + This will result in significantly better code being generated for some + programs. See :ghc-ticket:`9136`. + - The code-generation effects of :ghc-flag:`-dynamic` can now be enabled independently by the flag :ghc-flag:`-fexternal-dynamic-refs`. If you don't know why you might |