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| author | Simon Peyton Jones <simonpj@microsoft.com> | 2020-06-18 15:41:07 +0100 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2020-07-13 14:52:49 -0400 |
| commit | e78c4efb8735eb97f17e7b4ca35e305b0766f78a (patch) | |
| tree | 0bdb66bf963a6e755d270fcaae7f4c7cff9cc8c4 /compiler | |
| parent | 9ad072b487fe528947f817b0417933a6cd1941b7 (diff) | |
| download | haskell-e78c4efb8735eb97f17e7b4ca35e305b0766f78a.tar.gz | |
Comments only
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/GHC/Tc/Solver/Flatten.hs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/compiler/GHC/Tc/Solver/Flatten.hs b/compiler/GHC/Tc/Solver/Flatten.hs index c2b68caabb..00bf2579f0 100644 --- a/compiler/GHC/Tc/Solver/Flatten.hs +++ b/compiler/GHC/Tc/Solver/Flatten.hs @@ -954,8 +954,11 @@ faster. This doesn't seem quite worth it, yet. Note [flatten_exact_fam_app_fully performance] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -The refactor of GRefl seems to cause performance trouble for T9872x: the allocation of flatten_exact_fam_app_fully_performance increased. See note [Generalized reflexive coercion] in GHC.Core.TyCo.Rep for more information about GRefl and #15192 for the current state. +The refactor of GRefl seems to cause performance trouble for T9872x: +the allocation of flatten_exact_fam_app_fully_performance +increased. See note [Generalized reflexive coercion] in +GHC.Core.TyCo.Rep for more information about GRefl and #15192 for the +current state. The explicit pattern match in homogenise_result helps with T9872a, b, c. |