Issues · Glasgow Haskell Compiler / GHC · GitLab

Regression around overloaded literals and type applications

#19167 · opened Jan 04, 2021 by Richard Eisenberg 9.2.1 OverloadedStrings RebindableSyntax TypeApplications typechecker
- CLOSED
- 2
updated Feb 21, 2021
GHC 9.0 no longer typechecks a program involving overloaded labels and type applications

#19154 · opened Jan 02, 2021 by sheaf 9.2.1 bug program incorrectly rejected typechecker
- CLOSED
- 5
- 8
updated Feb 22, 2021
panic lookup_final_id with -fdefer-type-errors and kind error in instance definition

#19142 · opened Dec 31, 2020 by Jakob Brünker Pnormal bug compiler crash deferred type errors typechecker
- CLOSED
- 3
- 6
updated Jan 22, 2021
panic: No skolem info when trying to use variable with polymorphic kind as Type/Constraint

#19140 · opened Dec 31, 2020 by Jakob Brünker 9.2.1 RankNTypes bug compiler crash needs triage typechecker
- CLOSED
- 1
updated Dec 31, 2020
Incorrect documentation around EqualCtList

#19137 · opened Dec 30, 2020 by Richard Eisenberg constraint solver typechecker
- 0
updated Dec 30, 2020
Does the sub-type check in Note [Impedance matching] ever fail?

#19131 · opened Dec 27, 2020 by Richard Eisenberg task typechecker
- 3
updated Feb 17, 2021
GADT pattern match defeats instance solving

#19107 · opened Dec 22, 2020 by Richard Eisenberg constraint solver typechecker
- CLOSED
- 2
- 5
updated Jan 25, 2021
Partial type signature variable confuses instance solving

#19106 · opened Dec 22, 2020 by Richard Eisenberg constraint solver partial type sigs typechecker
- CLOSED
- 2
- 2
updated Jan 25, 2021
Make the canonicaliser do unification

#19060 · opened Dec 14, 2020 by Simon Peyton Jones task typechecker
- 0
updated Dec 14, 2020
Allow named wildcards in constraints

#19051 · opened Dec 10, 2020 by sheaf partial type sigs typechecker
- 8
updated Dec 23, 2020
Regression: HEAD requires FlexibleContexts because of inferred, redundant constraint

#19044 · opened Dec 09, 2020 by Ryan Scott 9.2.1 OverlappingInstances Phighest bug program incorrectly accepted typechecker
- CLOSED
- 3
- 4
updated Dec 19, 2020
Regression: HEAD incurs a reduction stack overflow on program involving type equality

#19042 · opened Dec 09, 2020 by Ryan Scott 9.2.1 Phighest bug program incorrectly rejected typechecker
- 1
- 7
updated Feb 10, 2021
Type wildcard infers differently than no type signature

#19013 · opened Dec 01, 2020 by dminuoso Pnormal bug partial type sigs typechecker
- 1
updated Dec 10, 2020
Partial type signature algorithm fails to infer constraints in the presence of GADTs

#19010 · opened Nov 30, 2020 by sheaf Pnormal bug partial type sigs typechecker
- 16
updated Dec 20, 2020
Quick Look does not zonk return types

#18987 · opened Nov 24, 2020 by Richard Eisenberg ImpredicativeTypes task typechecker
- CLOSED
- 2
updated Dec 21, 2020
Investigate touchable meta-variables in Givens

#18929 · opened Nov 07, 2020 by Richard Eisenberg constraint solver partial type sigs typechecker
- CLOSED
- 9
updated Jan 02, 2021
ghc-8.8 does not infer kind

#18920 · opened Nov 02, 2020 by jwaldmann 8.10.1 bug program incorrectly rejected typechecker
- CLOSED
- 2
- 5
updated Nov 09, 2020
Order-dependent type inference due to Note [Instance and Given overlap]

#18910 · opened Oct 30, 2020 by Richard Eisenberg Pnormal TypeFamilies bug constraint solver typechecker
- CLOSED
- 3
- 5
updated Jan 06, 2021
Kind inference for newtypes in GADT syntax is deeply broken

#18891 · opened Oct 26, 2020 by Richard Eisenberg 9.2.1 GADTs Pnormal PolyKinds StandaloneKindSignatures TypeFamilies TypeInType UnliftedNewtypes bug levity polymorphism typechecker
- CLOSED
- 2
- 3
updated Dec 08, 2020
Occurs-check-y Givens rewrite once, but not twice

#18875 · opened Oct 22, 2020 by Richard Eisenberg TypeFamilies constraint solver typechecker
- CLOSED
- 3
- 3
updated Dec 04, 2020

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