#13929: GHC panic with levity polymorphism
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Reporter: vagarenko | Owner: (none)
Type: bug | Status: new
Priority: high | Milestone: 8.2.2
Component: Compiler | Version: 8.2.1-rc2
Resolution: | Keywords: TypeInType,
| LevityPolymorphism
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
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Comment (by vagarenko):
Replying to [comment:14 bgamari]:
Now I see. Thank you for the very thorough explanation!
Replying to [comment:10 Ben Gamari
In [changeset:"fa626f3b1c1140a1f10bba60fdde10f767863f70/ghc" fa626f3/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="fa626f3b1c1140a1f10bba60fdde10f767863f70" Fix #13929 by adding another levity polymorphism check
test case: typecheck/should_fail/T13929 }}}
Have you tested that patch with unboxed sums? See my comment:8 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13929#comment:16 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler