#9356: scanl does not participate in stream fusion -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: Type: bug | Status: patch Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Resolution: | Keywords: Operating System: | Architecture: Unknown/Multiple Unknown/Multiple | Difficulty: Unknown Type of failure: Runtime | Blocked By: performance bug | Related Tickets: Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by dfeuer): It looks like strictness analysis can work its magic in nice cases and unbox the accumulator, erasing the let. I think this is probably good to go. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9356#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler