#14402: Compiler hangs - UdecidableInstances -------------------------------------+------------------------------------- Reporter: lehins | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.2.1 Resolution: duplicate | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by simonpj): * status: new => closed * resolution: => duplicate Comment:
Perhaps a duplicate of #13943
Looks like it. Indeed `Nested.hs -O` fails makes GHC 8.2 loop, but HEAD is fine. I'll just close as dup Simon -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14402#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler