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Handle unboxed tuples caused by -funbox-strict-fields #46

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zliu41 opened this issue Apr 15, 2022 · 2 comments
Open

Handle unboxed tuples caused by -funbox-strict-fields #46

zliu41 opened this issue Apr 15, 2022 · 2 comments

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@zliu41
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zliu41 commented Apr 15, 2022

Handle unboxed tuples caused by -funbox-strict-fields

(Extricated from https://kitty-hawk.atlassian.net/browse/SW-3652)
@sellout
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sellout commented Apr 15, 2022

Should we mention this in the README, and perhaps set -fno-unbox-strict-fields in the DynFlagsPlugin (assuming I ever get around to adding it).

@zliu41
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zliu41 commented Apr 15, 2022

Yeah, I can add it to the README when I get around to finding a suitable example. The one we encountered is

Linear.V3.$wcross :: forall a. Num a => a -> a -> a -> a -> a -> a -> (# a, a, a #)

And of course there's no HasRep (# C Double, C Double, C Double #).

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