#7953: Segfault on x86 with -O2 -------------------------------------+---------------------------- Reporter: igloo | Owner: simonmar Type: bug | Status: new Priority: highest | Milestone: 7.8.1 Component: Compiler | Version: 7.7 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: x86 Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+---------------------------- Comment (by simonmar): I tried and failed to reproduce this today, with a freshly built GHC on a 32-bit x86 Amazon EC2 instance running Ubuntu 12.04. {{{ ubuntu@ip-10-245-94-31:~/scratch$ uname -a Linux ip-10-245-94-31 3.2.0-40-virtual #64-Ubuntu SMP Mon Mar 25 22:07:32 UTC 2013 i686 i686 i386 GNU/Linux ubuntu@ip-10-245-94-31:~/scratch$ ~/ghc/inplace/bin/ghc-stage2 --version The Glorious Glasgow Haskell Compilation System, version 7.7.20130813 ubuntu@ip-10-245-94-31:~/scratch$ ~/ghc/inplace/bin/ghc-stage2 -O2 7.hs -fforce-recomp [1 of 1] Compiling Main ( 7.hs, 7.o ) Linking 7 ... ubuntu@ip-10-245-94-31:~/scratch$ ./7 Winner (E {_key = 1, prio = 0.7169761920394114} ... After atMost }}} Can anyone else still reproduce it on x86/Linux? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/7953#comment:11 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler