Issues · Glasgow Haskell Compiler / GHC · GitLab

Types are not normalized in instance declarations

#13773 · opened May 31, 2017 by lennart@augustsson.net 5 Pnormal Trac import TypeFamilies bug
- 11
updated Jul 22, 2019
Cannot put HasCallStack on instances

#13772 · opened May 31, 2017 by lennart@augustsson.net 5 Pnormal Trac import bug
- 8
updated Jul 07, 2019
ghc fails to build on openSUSE

#13771 · opened May 30, 2017 by msuchanek 5 Pnormal Trac import bug
- 4
updated Jul 07, 2019
HEAD: Type mentioned in error won't show up in pattern signature

#13770 · opened May 30, 2017 by Gabor Greif 5 Pnormal Trac import bug
- 4
updated Jul 07, 2019
T9405 sporadic failure

#13769 · opened May 30, 2017 by niteria 5 Pnormal Trac import bug
- 0
updated Jul 07, 2019
Incorrect warnings generated by exhaustiveness checker with pattern synonyms / GADT combination

#13768 · opened May 30, 2017 by Andres Löh 7 Phigh Trac import bug
- CLOSED
- 2
updated Jul 07, 2019
GHCi trips -DS checks at rts/sm/Sanity.c, line 210

#13767 · opened May 29, 2017 by niteria 8.4.1 5 Pnormal RTS Trac import bug
- CLOSED
- 8
updated Jul 07, 2019
Confusing "redundant pattern match" in 8.0, no warning at all in 8.2

#13766 · opened May 29, 2017 by edsko@edsko.net 5 Pnormal Trac import bug
- 6
updated Oct 29, 2019
GHC cannot parse valid Haskell98 whose first identifier is named signature

#13765 · opened May 29, 2017 by Edward Z. Yang 3 Plow Trac import backpack bug parser
- 0
updated Jul 07, 2019
Creating a ticket named "New proposal" in GHC Trac.

#13764 · opened May 28, 2017 by vanto 5 Pnormal Trac import feature request infrastructure
- CLOSED
- 2
updated Jul 07, 2019
Performance regression (~34%) in 8.2.1, poor register allocation(?) in an inner loop over an array

#13763 · opened May 28, 2017 by jberryman 9.2.1 7 NCG backend Phigh Trac import bug join points runtime perf
- 20
updated Jan 23, 2021
TypeInType is not documented in the users' guide flag reference

#13762 · opened May 27, 2017 by Ryan Scott 8.2.1 5 Pnormal Trac import TypeInType bug documentation
- CLOSED
- 3
updated Jul 07, 2019
Can't create poly-kinded GADT with TypeInType enabled, but can without

#13761 · opened May 27, 2017 by Ryan Scott 5 Pnormal Trac import TypeInType bug typechecker
- CLOSED
- 9
updated Jul 07, 2019
Review: Fix test output after 'Some tidying up of type pretty-printing'

#13760 · opened May 27, 2017 by Alan Zimmerman 5 Pnormal Trac import bug
- CLOSED
- 1
updated Jul 07, 2019
Strange error message for deriving Data

#13759 · opened May 27, 2017 by Alan Zimmerman 5 Pnormal Trac import bug deriving
- CLOSED
- 3
updated Jul 07, 2019
Deriving can't find an instance that holds, standalone deriving works

#13758 · opened May 26, 2017 by Icelandjack 8.2.1 5 Pnormal Trac import bug
- CLOSED
- 4
updated Jul 07, 2019
Are you for or against writing "otherwise" as a keyword?

#13757 · opened May 26, 2017 by vanto 5 Pnormal Trac import error messages feature request
- CLOSED
- 12
updated Jul 07, 2019
Typo in user guide suggests that there's an -O* option

#13756 · opened May 25, 2017 by Niklas Hambüchen 8.2.1 5 Pnormal Trac import bug documentation
- CLOSED
- 4
updated Jul 07, 2019
GHC-8.0.2+ spits out $dm names in error messages

#13755 · opened May 25, 2017 by Zilin Chen 5 Pnormal Trac import bug error messages typechecker
- 6
updated Feb 11, 2020
ghc-8.0.2+ rejects more instance declarations

#13754 · opened May 25, 2017 by Zilin Chen 5 Pnormal Trac import bug
- CLOSED
- 6
updated Jul 07, 2019