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| author | Ömer Sinan Ağacan <omeragacan@gmail.com> | 2018-10-15 13:48:53 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2018-10-15 17:59:20 -0400 |
| commit | c5b477c29127d8375b3f23d37f877278b52547f6 (patch) | |
| tree | 25e3637d93edd9141cbc399be48d2da03b269f65 /compiler/basicTypes/Demand.hs | |
| parent | 26e81e90281685af37c8f2cf149c242b4039117a (diff) | |
| download | haskell-c5b477c29127d8375b3f23d37f877278b52547f6.tar.gz | |
Fix cardinality change of fields in addDataConStrictness
Test Plan: This validates
Reviewers: simonpj, bgamari
Reviewed By: bgamari
Subscribers: rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5225
Diffstat (limited to 'compiler/basicTypes/Demand.hs')
| -rw-r--r-- | compiler/basicTypes/Demand.hs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/compiler/basicTypes/Demand.hs b/compiler/basicTypes/Demand.hs index 071945386e..4707be798b 100644 --- a/compiler/basicTypes/Demand.hs +++ b/compiler/basicTypes/Demand.hs @@ -56,7 +56,7 @@ module Demand ( useCount, isUsedOnce, reuseEnv, killUsageDemand, killUsageSig, zapUsageDemand, zapUsageEnvSig, zapUsedOnceDemand, zapUsedOnceSig, - strictifyDictDmd + strictifyDictDmd, strictifyDmd ) where @@ -2033,6 +2033,10 @@ strictifyDictDmd ty dmd = case getUseDmd dmd of -- the superclass dicts are always a prefix _ -> dmd -- unused or not a dictionary +strictifyDmd :: Demand -> Demand +strictifyDmd dmd@(JD { sd = str }) + = dmd { sd = str `bothArgStr` Str VanStr HeadStr } + {- Note [HyperStr and Use demands] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |