#9831: the 'impossible' happened : iselExpr64(powerpc) ----------------------------+---------------------------------------------- Reporter: erikd | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.9 Keywords: | Operating System: Linux Architecture: powerpc | Type of failure: Building GHC failed Difficulty: Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: ----------------------------+---------------------------------------------- After working around the problem in #9828 I now run into this: {{{ "inplace/bin/ghc-stage1" -static -H64m -O -fasm -keep-tmp-files -Iincludes \ -Iincludes/dist -Iincludes/dist-derivedconstants/header \ -Iincludes/dist-ghcconstants/header -Irts -Irts/dist/build \ -DCOMPILING_RTS -this-package-key rts -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 ghc-stage1: panic! (the 'impossible' happened) (GHC version 7.9.20141122 for powerpc-unknown-linux): iselExpr64(powerpc) I64[_c1::P32 + 64] - %MO_UU_Conv_W32_W64((Hp + 4) - I32[_c2::I32]) Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9831 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler