[GHC] #15207: bad dwarf frame in stgRun.c when compiled with with gcc on mac and assembled by as/gcc/clang (aka apple clang assembler)

[GHC]

#15207: bad dwarf frame in stgRun.c when compiled with with gcc on mac and
assembled by as/gcc/clang (aka apple clang assembler)
-------------------------------------+-------------------------------------
        Reporter:  carter            |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Runtime System    |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  MacOS X           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4781
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by carter):

 my build gets stuck at the following

 {{{

 "inplace/bin/ghc-stage1" -this-unit-id rts -shared -dynamic -dynload
 deploy -no-auto-link-packages -Lrts/dist/build -lffi -optl-Wl,-rpath
 -optl-Wl, at loader_path `cat rts/dist/libs.depend` rts/dist/build/STM.dyn_o
 rts/dist/build/Timer.dyn_o rts/dist/build/ThreadPaused.dyn_o
 rts/dist/build/Ticky.dyn_o rts/dist/build/ThreadLabels.dyn_o
 rts/dist/build/RtsMain.dyn_o rts/dist/build/ProfilerReport.dyn_o
 rts/dist/build/PathUtils.dyn_o rts/dist/build/LibdwPool.dyn_o
 rts/dist/build/Proftimer.dyn_o rts/dist/build/CheckUnload.dyn_o
 rts/dist/build/fs.dyn_o rts/dist/build/OldARMAtomic.dyn_o
 rts/dist/build/HsFFI.dyn_o rts/dist/build/RtsDllMain.dyn_o
 rts/dist/build/RtsSymbolInfo.dyn_o rts/dist/build/RaiseAsync.dyn_o
 rts/dist/build/ProfHeap.dyn_o rts/dist/build/Schedule.dyn_o
 rts/dist/build/Hash.dyn_o rts/dist/build/Trace.dyn_o
 rts/dist/build/Threads.dyn_o rts/dist/build/Hpc.dyn_o
 rts/dist/build/Weak.dyn_o rts/dist/build/ProfilerReportJson.dyn_o
 rts/dist/build/Task.dyn_o rts/dist/build/StgCRun.dyn_o
 rts/dist/build/ClosureFlags.dyn_o rts/dist/build/RetainerProfile.dyn_o
 rts/dist/build/Libdw.dyn_o rts/dist/build/Stats.dyn_o
 rts/dist/build/Interpreter.dyn_o rts/dist/build/Messages.dyn_o
 rts/dist/build/RtsUtils.dyn_o rts/dist/build/RtsSymbols.dyn_o
 rts/dist/build/xxhash.dyn_o rts/dist/build/LdvProfile.dyn_o
 rts/dist/build/Capability.dyn_o rts/dist/build/Printer.dyn_o
 rts/dist/build/Globals.dyn_o rts/dist/build/Adjustor.dyn_o
 rts/dist/build/RtsAPI.dyn_o rts/dist/build/Inlines.dyn_o
 rts/dist/build/TopHandler.dyn_o rts/dist/build/Linker.dyn_o
 rts/dist/build/Disassembler.dyn_o rts/dist/build/WSDeque.dyn_o
 rts/dist/build/StaticPtrTable.dyn_o rts/dist/build/Pool.dyn_o
 rts/dist/build/StgPrimFloat.dyn_o rts/dist/build/FileLock.dyn_o
 rts/dist/build/RtsStartup.dyn_o rts/dist/build/RetainerSet.dyn_o
 rts/dist/build/Profiling.dyn_o rts/dist/build/Sparks.dyn_o
 rts/dist/build/RtsFlags.dyn_o rts/dist/build/RtsMessages.dyn_o
 rts/dist/build/Stable.dyn_o rts/dist/build/Arena.dyn_o
 rts/dist/build/Heap.dyn_o rts/dist/build/hooks/StackOverflow.dyn_o
 rts/dist/build/hooks/LongGCSync.dyn_o rts/dist/build/hooks/OnExit.dyn_o
 rts/dist/build/hooks/FlagDefaults.dyn_o
 rts/dist/build/hooks/MallocFail.dyn_o rts/dist/build/hooks/OutOfHeap.dyn_o
 rts/dist/build/sm/Scav_thr.dyn_o rts/dist/build/sm/Storage.dyn_o
 rts/dist/build/sm/Evac.dyn_o rts/dist/build/sm/Sanity.dyn_o
 rts/dist/build/sm/GC.dyn_o rts/dist/build/sm/MarkWeak.dyn_o
 rts/dist/build/sm/Evac_thr.dyn_o rts/dist/build/sm/BlockAlloc.dyn_o
 rts/dist/build/sm/GCUtils.dyn_o rts/dist/build/sm/GCAux.dyn_o
 rts/dist/build/sm/Sweep.dyn_o rts/dist/build/sm/CNF.dyn_o
 rts/dist/build/sm/Compact.dyn_o rts/dist/build/sm/Scav.dyn_o
 rts/dist/build/sm/MBlock.dyn_o rts/dist/build/eventlog/EventLog.dyn_o
 rts/dist/build/eventlog/EventLogWriter.dyn_o
 rts/dist/build/linker/elf_util.dyn_o rts/dist/build/linker/elf_reloc.dyn_o
 rts/dist/build/linker/LoadArchive.dyn_o
 rts/dist/build/linker/elf_plt_arm.dyn_o
 rts/dist/build/linker/SymbolExtras.dyn_o
 rts/dist/build/linker/CacheFlush.dyn_o rts/dist/build/linker/Elf.dyn_o
 rts/dist/build/linker/elf_got.dyn_o rts/dist/build/linker/M32Alloc.dyn_o
 rts/dist/build/linker/elf_plt_aarch64.dyn_o
 rts/dist/build/linker/elf_plt.dyn_o rts/dist/build/linker/PEi386.dyn_o
 rts/dist/build/linker/MachO.dyn_o
 rts/dist/build/linker/elf_reloc_aarch64.dyn_o
 rts/dist/build/posix/GetEnv.dyn_o rts/dist/build/posix/Select.dyn_o
 rts/dist/build/posix/Signals.dyn_o rts/dist/build/posix/TTY.dyn_o
 rts/dist/build/posix/Itimer.dyn_o rts/dist/build/posix/OSThreads.dyn_o
 rts/dist/build/posix/GetTime.dyn_o rts/dist/build/posix/OSMem.dyn_o
 rts/dist/build/Updates.dyn_o rts/dist/build/HeapStackCheck.dyn_o
 rts/dist/build/StgStdThunks.dyn_o rts/dist/build/Exception.dyn_o
 rts/dist/build/Apply.dyn_o rts/dist/build/StgMiscClosures.dyn_o
 rts/dist/build/Compact.dyn_o rts/dist/build/PrimOps.dyn_o
 rts/dist/build/StgStartup.dyn_o rts/dist/build/AutoApply.dyn_o  -fPIC
 -dynamic  -H32m -O -Wall   -Iincludes -Iincludes/dist -Iincludes/dist-
 derivedconstants/header -Iincludes/dist-ghcconstants/header -Irts
 -Irts/dist/build -DCOMPILING_RTS -DFS_NAMESPACE=rts -this-unit-id rts
 -dcmm-lint  -DDTRACE     -i -irts -irts/dist/build -Irts/dist/build
 -irts/dist/build/./autogen -Irts/dist/build/./autogen            -O2
 -Wcpp-undef    -Wnoncanonical-monad-instances  -fno-use-rpaths   -o
 rts/dist/build/libHSrts-ghc8.6.2.dylib
 0  0x10c2f3898  __assert_rtn + 129
 1  0x10c30c983
 mach_o::relocatable::Parser<x86_64>::parse(mach_o::relocatable::ParserOptions
 const&) + 3153
 2  0x10c30274c  mach_o::relocatable::Parser<x86_64>::parse(unsigned char
 const*, unsigned long long, char const*, long, ld::File::Ordinal,
 mach_o::relocatable::ParserOptions const&) + 282
 3  0x10c35a12c  ld::tool::InputFiles::makeFile(Options::FileInfo const&,
 bool) + 1014
 4  0x10c35d4f7  ld::tool::InputFiles::parseWorkerThread() + 533
 5  0x7fff59b6d661  _pthread_body + 340
 6  0x7fff59b6d50d  _pthread_body + 0
 A linker snapshot was created at:
         /tmp/libHSrts-ghc8.6.2.dylib-2018-10-12-212259.ld-snapshot
 ld: Assertion failed: (cfiStartsArray[i] != cfiStartsArray[i-1]), function
 parse, file
 /Library/Caches/com.apple.xbs/Sources/ld64_Fall2018/ld64-409.12/src/ld/parsers/macho_relocatable_file.cpp,
 line 1939.
 collect2: error: ld returned 1 exit status
 `gcc-8' failed in phase `Linker'. (Exit code: 1)
 rts/ghc.mk:315: recipe for target 'rts/dist/build/libHSrts-ghc8.6.2.dylib'
 failed
 make[1]: *** [rts/dist/build/libHSrts-ghc8.6.2.dylib] Error 1
 Makefile:122: recipe for target 'all' failed
 make: *** [all] Error 2
 }}}

 i tried out using LLVM 7's ld.lld tool, and i had the same problme/error
 there..

 iVe 1-2 ideas left i'm going to try

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15207#comment:34>
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