#7736: Parallel array enumeration causes compiler panic (enumFromToP) -------------------------------------+------------------------------------- Reporter: | Owner: chak amosrobinson | Status: new Type: bug | Milestone: 7.10.1 Priority: normal | Version: 7.7 Component: Compiler | Keywords: Resolution: | Architecture: Unknown/Multiple Operating System: | Difficulty: Unknown Unknown/Multiple | Blocked By: Type of failure: Compile- | Related Tickets: #7078 time crash | Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by thomie): Smaller testcase: {{{ $ cat EnumFromToP.hs {-# LANGUAGE ParallelArrays #-} module EnumFromToP where nums = [: 0 .. 100 :] $ ghc-7.9.20141121 EnumFromToP.hs [1 of 1] Compiling EnumFromToP ( EnumFromToP.hs, EnumFromToP.o ) ghc: panic! (the 'impossible' happened) (GHC version 7.9.20141121 for x86_64-unknown-linux): DsMonad: uninitialised ds_parr_bi }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/7736#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler