[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:  new
        Priority:  normal            |            Milestone:  8.6.1
       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):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by carter):

 ahah! clang-6.0 doesn't accept its own assembly!

 {{{
  $
 clang-6.0 -fno-stack-protector -DTABLES_NEXT_TO_CODE -fno-stack-protector
 -Wall -Wall -Wextra -Wstrict-prototypes -Wmissing-prototypes -Wmissing-
 declarations -Winline -Waggregate-return -Wpointer-arith -Wmissing-
 noreturn -Wnested-externs -Wredundant-decls -Wundef -Iincludes
 -Iincludes/dist -Iincludes/dist-derivedconstants/header -Iincludes/dist-
 ghcconstants/header -Irts -Irts/dist/build -DCOMPILING_RTS
 '-DFS_NAMESPACE=rts' -fno-strict-aliasing -fno-common -DDTRACE
 -Irts/dist/build/./autogen '-Werror=unused-but-set-variable' '-Wno-
 error=inline' -O2 -fomit-frame-pointer -g '-DRtsWay="rts_thr"' -w
 -DTHREADED_RTS -x c rts/StgCRun.c -o
 /var/folders/py/wgp_hj9d2rl3cx48yym_ynj00000gn/T/ghc34756_0/ghc_1.s -fno-
 common -U__PIC__ -D__PIC__ -Wimplicit -S -O2 -include
 /Users/carter/WorkSpace/projects/active/ghc-head-may2018-clang-
 sad/includes/ghcversion.h -Iincludes -Iincludes/dist -Iincludes/dist-
 derivedconstants/header -Iincludes/dist-ghcconstants/header -Irts
 -Irts/dist/build -Irts/dist/build -Irts/dist/build/./autogen
 -I/Users/carter/WorkSpace/projects/active/ghc-head-may2018-clang-
 sad/libraries/base/include -I/Users/carter/WorkSpace/projects/active/ghc-
 head-may2018-clang-sad/libraries/base/dist-install/build/include
 -I/Users/carter/WorkSpace/projects/active/ghc-head-may2018-clang-
 sad/libraries/integer-gmp/include
 -I/Users/carter/WorkSpace/projects/active/ghc-head-may2018-clang-
 sad/libraries/integer-gmp/dist-install/build/include
 -I/Users/carter/WorkSpace/projects/active/ghc-head-may2018-clang-
 sad/rts/dist/build -I/Users/carter/WorkSpace/projects/active/ghc-head-
 may2018-clang-sad/includes -I/Users/carter/WorkSpace/projects/active/ghc-
 head-may2018-clang-sad/includes/dist-derivedconstants/header
 17:36:22 ~/W/p/a/ghc-head-may2018-clang-sad (master|…) $
 clang-6.0  -fno-stack-protector -DTABLES_NEXT_TO_CODE -Iincludes
 -Iincludes/dist -Iincludes/dist-derivedconstants/header -Iincludes/dist-
 ghcconstants/header -Irts -Irts/dist/build -Irts/dist/build
 -Irts/dist/build/./autogen -fno-common -U__PIC__ -D__PIC__ -x assembler -c
 /var/folders/py/wgp_hj9d2rl3cx48yym_ynj00000gn/T/ghc34265_0/ghc_1.s -o
 rts/dist/build/StgCRun.thr_o
 clang-6.0: warning: argument unused during compilation: '-fno-stack-
 protector' [-Wunused-command-line-argument]
 clang-6.0: warning: argument unused during compilation: '-D
 TABLES_NEXT_TO_CODE' [-Wunused-command-line-argument]
 clang-6.0: warning: argument unused during compilation: '-fno-common'
 [-Wunused-command-line-argument]
 clang-6.0: warning: argument unused during compilation: '-U __PIC__'
 [-Wunused-command-line-argument]
 clang-6.0: warning: argument unused during compilation: '-D __PIC__'
 [-Wunused-command-line-argument]
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives
 <unknown>:0: error: this directive must appear between .cfi_startproc and
 .cfi_endproc directives

 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15207#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler