#8820: 7.8 RC1 unregisterised fails selfbootstrap on 64 bit Linux ----------------------------------+---------------------------------------- Reporter: trommler | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.1-rc1 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: Building GHC failed Unknown/Multiple | Test Case: Difficulty: Unknown | Blocking: Blocked By: | Related Tickets: #8819 | ----------------------------------+---------------------------------------- Selfbootstrap of an unregisterised ghc fails on 64 bit PowerPC and AMD but not on 32 bit (PowerPC or Intel): {{{ [10021s] "inplace/bin/ghc-stage1" -static -H32m -O -optc-mminimal-toc -optc-fno-builtin -Iincludes -Iincludes/dist -Iincludes/dist- derivedconstants/header -Iincludes/dist-ghcconstants/header -Irts -Irts/dist/build -DCOMPILING_RTS -package-name rts -optc-DNOSMP -dcmm-lint -i -irts -irts/dist/build -irts/dist/build/autogen -Irts/dist/build -Irts/dist/build/autogen -O2 -c rts/StgStartup.cmm -o rts/dist/build/StgStartup.o [10021s] ghc-stage1: panic! (the 'impossible' happened) [10021s] (GHC version 7.8.0.20140220 for powerpc64-unknown-linux): [10021s] no ppt [10021s] ct ct: _cj::P64 = P64[(old + 16)]; [10021s] _ck::P64 = R1; [10021s] goto cl; [10021s] [10021s] Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} I disabled gcc's built in functions through {{{-fno-builtin}}} which got rid of a load of warnings (incompatible types for the built-ins) but still fails as shown above. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8820 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler