#14163: Stack Overflow with ApplicativeDo -------------------------------------+------------------------------------- Reporter: lippling | Owner: simonmar Type: bug | Status: new Priority: high | Milestone: 8.2.2 Component: Compiler | Version: 8.2.1 Resolution: | Keywords: ApplicativeDo Operating System: MacOS X | Architecture: x86_64 Type of failure: Compile-time | (amd64) crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3900 Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonmar): @lippling: there's one other workaround, which is to add a ~ to your patterns, like so: {{{ x = do ~(a, _) <- undefined ~(b, _) <- undefined ~(c, _) <- undefined undefined }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14163#comment:10 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler