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Glasgow Haskell Compiler
GHC
Issues
Open
273
Closed
989
All
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Blocking
QuantifiedConstraints: Can't be RHS of type family instances
#14968
· opened
Mar 24, 2018
by
josef
5
P
normal
T
bug
Trac import
typechecker
1
11
updated
Jul 07, 2019
Exhaustivity check should suggest when COMPLETE could be helpful
#15014
· opened
Apr 08, 2018
by
Edward Z. Yang
8.4.3
5
P
normal
PatternSynonyms
T
bug
Trac import
error messages
pattern match warnings
typechecker
0
updated
Jul 07, 2019
Derive Generic1 instances for types of kind (k -> *) -> * that include applications of the parameter
#15310
· opened
Jun 25, 2018
by
cedricshock
3
P
low
T
feature request
Trac import
generics
typechecker
3
updated
Jul 07, 2019
Reduce type families in equations' RHS when testing equation compatibility
#15557
· opened
Aug 22, 2018
by
mniip
8.6.1
5
P
normal
T
feature request
Trac import
TypeFamilies
typechecker
7
updated
Jul 07, 2019
Surprising failure combining QuantifiedConstraints with Coercible
#15639
· opened
Sep 13, 2018
by
David Feuer
8.6.1
5
P
normal
T
bug
Trac import
typechecker
10
updated
Jul 07, 2019
More liberally kinded coercions for newtypes
#15707
· opened
Oct 05, 2018
by
mniip
8.6.1
5
P
normal
T
feature request
Trac import
roles
typechecker
5
updated
Jul 07, 2019
Cross-module SPECIALZE pragmas aren't typechecked in -O0
#15708
· opened
Oct 05, 2018
by
regnat
5
P
normal
T
bug
Trac import
typechecker
2
updated
Jul 07, 2019
Adding extra quantified constraints leads to resolution failure
#15989
· opened
Dec 02, 2018
by
eror
8.6.3
5
P
normal
T
bug
Trac import
typechecker
7
updated
Jul 07, 2019
-Wredundant-constraints: False positive
#16154
· opened
Jan 09, 2019
by
Fumiaki Kinoshita
5
P
normal
T
bug
Trac import
error messages
typechecker
7
updated
Jul 07, 2019
Cannot deduce constraint from itself with poly-kinded type family
#16374
· opened
Mar 01, 2019
by
roland
5
P
normal
T
bug
Trac import
error messages
typechecker
2
updated
Jul 07, 2019
GHC suggests that infix operators might have the wrong number of arguments
#16786
· opened
Jun 08, 2019
by
Chris Smith
⊥
3
P
low
T
task
error messages
typechecker
1
updated
Jul 07, 2019
Multiple occurrences of the same polykinded type don't unify
#16675
· opened
May 20, 2019
by
Christopher Rodrigues
T
question
documentation
typechecker
11
updated
May 31, 2019
Relax local equality check
#16684
· opened
May 22, 2019
by
Iavor S. Diatchki
GADTs
TypeFamilies
typechecker
3
updated
May 23, 2019
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