[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
ghc-devs at haskell.org
Thu May 31 21:41:45 UTC 2018
#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: |
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Comment (by carter):
also apple clang (some v5 llvm variant) rejects the assembly emited by
clang v6!
{{{
/usr/bin/clang -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: warning: argument unused during compilation: '-fno-stack-protector'
[-Wunused-command-line-argument]
clang: warning: argument unused during compilation: '-D
TABLES_NEXT_TO_CODE' [-Wunused-command-line-argument]
clang: warning: argument unused during compilation: '-fno-common'
[-Wunused-command-line-argument]
clang: warning: argument unused during compilation: '-U __PIC__'
[-Wunused-command-line-argument]
clang: warning: argument unused during compilation: '-D __PIC__'
[-Wunused-command-line-argument]
clang -cc1as: fatal error: error in backend: No open frame
}}}
this definitely seems like a bug in llvm
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15207#comment:11>
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