#8062: Panic "Lookup local fingerprint main:Main.main{v r6xE}" ------------------------------------+--------------------------------- Reporter: tommd | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.3 Keywords: | Operating System: Linux Architecture: Unknown/Multiple | Type of failure: None/Unknown Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | ------------------------------------+--------------------------------- When compiling some quickcheck tests for a larger internal project I receive the following error on my x86-64 Linux 3.10 system: {{{ ghc: panic! (the 'impossible' happened) (GHC version 7.6.3 for x86_64-unknown-linux): urk! lookup local fingerprint main:Main.main{v r6xE} Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} System info: {{{ $ ghc --version The Glorious Glasgow Haskell Compilation System, version 7.6.3 $ uname -a Linux Vodka 3.9.6-200.fc18.x86_64 #1 SMP Thu Jun 13 18:56:55 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux $ gcc --version gcc (GCC) 4.7.2 20121109 (Red Hat 4.7.2-8) Copyright (C) 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ ld --version GNU ld version 2.23.51.0.1-6.fc18 20120806 Copyright 2012 Free Software Foundation, Inc. This program is free software; you may redistribute it under the terms of the GNU General Public License version 3 or (at your option) a later version. This program has absolutely no warranty. }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8062 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler