#14323: Occurs check regressions in GHC 8.2.1 (and HEAD) -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: 8.4.1 Component: Compiler (Type | Version: 8.2.1 checker) | Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #14333 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => closed * resolution: => fixed * related: => #14333 * milestone: => 8.4.1 Comment: Thanks to commit 5a66d574890ed09859ca912c9e0969dba72f4a23 (`Better solving for representational equalities`), both `hm2` and `hm3` from the original description now typecheck. See `typecheck/should_compile/T14333` from the testsuite. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14323#comment:10 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler