#10784: ghci crashed when ``-with-rtsopts=-A64m'' is specified -------------------------------+------------------------------------------- Reporter: wangbj | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.10.2 Resolution: duplicate | Keywords: Operating System: Linux | Architecture: Unknown/Multiple Type of failure: GHCi crash | Test Case: Blocked By: | Blocking: Related Tickets: #10549 | Differential Revisions: -------------------------------+------------------------------------------- Changes (by thomie): * status: new => closed * resolution: => duplicate * related: => #10549 Old description:

$ cat /tmp/t1.hs {-# OPTIONS -O2 -with-rtsopts=-A64m #-}

main = putStrLn "hello, world!" wangbj@nuc ~/hs $ runghc /tmp/t1.hs 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: {{{ $ cat /tmp/t1.hs {-# OPTIONS -O2 -with-rtsopts=-A64m #-} main = putStrLn "hello, world!" wangbj@nuc ~/hs $ runghc /tmp/t1.hs 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 }}} -- Comment: The problem is `-O2` in combination with runghc. The `-O2` should be ignored, but ghc-7.10.2 has a bug and it crashes instead. Fixed in #10549. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/10784#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler