[GHC] #12144: GHC panic when using DeriveAnyClass with functor-like class and datatype with a type variable in a contravariant position
GHC
ghc-devs at haskell.org
Fri Feb 10 21:25:23 UTC 2017
#12144: GHC panic when using DeriveAnyClass with functor-like class and datatype
with a type variable in a contravariant position
-------------------------------------+-------------------------------------
Reporter: RyanGlScott | Owner:
Type: bug | Status: closed
Priority: normal | Milestone: 8.2.1
Component: Compiler | Version: 8.0.1
Resolution: fixed | Keywords: Generics
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: Compile-time | Test Case:
crash | tests/deriving/should_compile/T12144_1,
| tests/deriving/should_compile/T12144_2
Blocked By: | Blocking:
Related Tickets: #5462, #7346, | Differential Rev(s): Phab:D2961
#12423 |
Wiki Page: |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):
* status: patch => closed
* testcase: =>
tests/deriving/should_compile/T12144_1,
tests/deriving/should_compile/T12144_2
* resolution: => fixed
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12144#comment:5>
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