[Bug ld/29424] ld chokes on DW_FORM_rnglistx

[ro at CeBiTec dot Uni-Bielefeld.DE]

https://sourceware.org/bugzilla/show_bug.cgi?id=29424

--- Comment #4 from Rainer Orth <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #2 from Nick Clifton <nickc at redhat dot com> ---
Hi Nick,

>   Unfortunately the reproducer fails for me due to lots of missing system
> libraries.  Not surprising really given that I was running the test on an
> x86_64 linux box...

no wonder indeed.  That's why I mentioned gcc202 ;-)

>   Please could you try out the patch I am about to upload.  It does not do 
> much
> more than ignore the form, but it may be enough in this particular case.  (I
> believe that the linker is only parsing the DWARF information so that it can
> generate an error message about the missing symbols, so I am hoping that not
> decoding the range information will not be a big problem).

I've just spotchecked ld 2.38.90 with that patch included with my
testcase: the link worked fine (or rather failed as expected due to the
missing __atomic_* symbols, but without the DWARF error).  I'm now
running a full LLVM main build with that ld on
sparc64-unknown-linux-gnu.  Will take a couple of hours, though...

Thanks.
        Rainer

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