#10757: ghci panic: floatExpr tick break<1062>() -------------------------------------+------------------------------------- Reporter: kjslag | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.2 Keywords: panic ghci | Operating System: Unknown/Multiple optimisation | Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Revisions: | -------------------------------------+------------------------------------- Loading a file with {-# OPTIONS -O #-} in ghci causes a panic. See details below. $ cat panic.hs {-# OPTIONS -O #-} main :: IO () main = return () $ ghci GHCi, version 7.10.2: http://www.haskell.org/ghc/ :? for help Prelude> :load panic.hs [1 of 1] Compiling Main ( panic.hs, interpreted ) ghc: panic! (the 'impossible' happened) (GHC version 7.10.2 for x86_64-unknown-linux): floatExpr tick break<0>() Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10757 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler