#5539: GHC panic - Simplifier ticks exhausted ---------------------------------------+---------------------------------- Reporter: hvr | Owner: simonpj Type: bug | Status: new Priority: high | Milestone: 7.6.2 Component: Compiler | Version: 7.3 Resolution: | Keywords: Operating System: Linux | Architecture: x86_64 (amd64) Type of failure: Compile-time crash | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: ---------------------------------------+---------------------------------- Comment (by ghorn): Ignore the comment above about cabal. Ghc will reproduce the bug with -O1 {{{ $ ghc -O1 Bug.hs [1 of 1] Compiling Main ( Bug.hs, Bug.o ) ghc: panic! (the 'impossible' happened) (GHC version 7.6.3 for x86_64-unknown-linux): Simplifier ticks exhausted When trying UnfoldingDone base:Foreign.Storable.$fStorableInt_$csizeOf{v r3z} [gid] To increase the limit, use -fsimpl-tick-factor=N (default 100) If you need to do this, let GHC HQ know, and what factor you needed To see detailed counts use -ddump-simpl-stats Total ticks: 7926 Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/5539#comment:52 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler