#10757: ghci panic: floatExpr tick break<1062>() -------------------------------------+------------------------------------- Reporter: kjslag | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.2 Resolution: | Keywords: panic ghci | optimisation Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: -------------------------------------+------------------------------------- Description changed by kjslag: Old description:

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

New description: 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#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler

#10757: ghci optimisation panic: floatExpr tick break<0>() -------------------------------------+------------------------------------- Reporter: kjslag | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.10.2 Resolution: duplicate | Keywords: panic ghci | optimisation Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #10549 | Differential Revisions: -------------------------------------+------------------------------------- Changes (by bgamari): * status: new => closed * resolution: => duplicate * related: => #10549 Comment: This is a duplicate of #10549, which has been fixed in master. I'll mark is as `merge` to ensure the fix makes it in to 7.10.3 in the event that one is released. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10757#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler