[GHC] #12104: Type families, `TypeError`, and `-fdefer-type-errors` cause "opt_univ fell into a hole"
GHC
ghc-devs at haskell.org
Tue Apr 25 10:46:08 UTC 2017
#12104: Type families, `TypeError`, and `-fdefer-type-errors` cause "opt_univ fell
into a hole"
-------------------------------------+-------------------------------------
Reporter: antalsz | Owner: (none)
Type: bug | Status: new
Priority: high | Milestone:
Component: Compiler (Type | Version: 8.0.1
checker) | Keywords: TypeFamilies,
Resolution: | CustomTypeErrors
Operating System: Unknown/Multiple | Architecture:
Type of failure: Compile-time | Unknown/Multiple
crash | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s):
Wiki Page: |
-------------------------------------+-------------------------------------
Comment (by kosmikus):
Simon, thanks a lot for testing with HEAD. I can confirm that my code
works with HEAD (8.3.20170422) as well, but it still crashes with
8.2.0.20170422.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12104#comment:6>
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