#16172: GHC 8.4 build failure on ARM --------------------------------+---------------------------------------- Reporter: dustin | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.4.4 Keywords: | Operating System: Linux Architecture: arm | Type of failure: Building GHC failed Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: --------------------------------+---------------------------------------- Using the same environment I used to build 8.6 and got the following error: {{{ ghc-stage1: panic! (the 'impossible' happened) (GHC version 8.4.4.20181014 for arm-unknown-linux): padLiveArgs -- i > regNum ?? CallStack (from HasCallStack): error, called at compiler/llvmGen/LlvmCodeGen/Base.hs:194:27 in ghc:LlvmCodeGen.Base Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug rts/ghc.mk:295: recipe for target 'rts/dist/build/HeapStackCheck.o' failed make[1]: *** [rts/dist/build/HeapStackCheck.o] Error 1 make[1]: *** Waiting for unfinished jobs.... }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16172 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler