#11303: Pattern matching against sets of strings sharing a prefix blows up pattern checker -------------------------------------+------------------------------------- Reporter: bgamari | Owner: gkaracha Type: bug | Status: new Priority: highest | Milestone: 8.0.1 Component: Compiler | Version: 7.11 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #11302 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by rwbarton): In a way, the fact that memory usage explodes on such small inputs is encouraging: surely some mild effort on algorithms/data structures will have a massive effect here. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11303#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler