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| author | Krzysztof Gogolewski <krzysztof.gogolewski@tweag.io> | 2020-02-11 15:35:59 +0100 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2020-02-12 01:58:51 -0500 |
| commit | f0c0ee7d9a942a19361e72553cd08f42cc12b04a (patch) | |
| tree | 0b9f72a93e00bd97fff8b6780f32c320420af9e2 | |
| parent | 31fc332191a6298e2643261482e9b43a4b38241b (diff) | |
| download | haskell-f0c0ee7d9a942a19361e72553cd08f42cc12b04a.tar.gz | |
Fix order of arguments in specializer (#17801)
See https://gitlab.haskell.org/ghc/ghc/issues/17801#note_253330
No regression test, as it's hard to trigger.
| -rw-r--r-- | compiler/specialise/Specialise.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/specialise/Specialise.hs b/compiler/specialise/Specialise.hs index 7ec40138c5..0872067744 100644 --- a/compiler/specialise/Specialise.hs +++ b/compiler/specialise/Specialise.hs @@ -1438,7 +1438,7 @@ specCalls mb_mod env existing_rules calls_for_me fn rhs (lam_extra_args, app_args) -- See Note [Specialisations Must Be Lifted] | isUnliftedType body_ty -- C.f. WwLib.mkWorkerArgs , not (isJoinId fn) - = ([voidArgId], unspec_bndrs ++ [voidPrimId]) + = ([voidArgId], voidPrimId : unspec_bndrs) | otherwise = ([], unspec_bndrs) join_arity_change = length app_args - length rule_args spec_join_arity | Just orig_join_arity <- isJoinId_maybe fn |