#12648: Stack overflow when using monad-unlift -------------------------------------+------------------------------------- Reporter: nh2 | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Compile-time | Test Case: crash | typecheck/should_fail/T12648 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => closed * testcase: => typecheck/should_fail/T12648 * resolution: => fixed Comment: Fortunately, commit ce97b7298d54bdfccd9dcf366a69c5617b4eb43f (Expand given superclasses more eagerly) happened to fix this bug, and it made it in time for GHC 8.0.2. To be on the safe side, I've added a regression test as well. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12648#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler