[cfe-users] How to debug cryptic error message?

David Blaikie via cfe-users cfe-users at lists.llvm.org
Tue Aug 25 14:38:28 PDT 2020


Unfortunately, probably the first thing I'd try is assembling with the GNU
assembler instead (using clang -fno-integrated-as, or using gcc as your
assembler driver should reach your system assembler which is probably gas).

LLVM's integrated assembler could use a better error message, to be sure.

On Tue, Aug 25, 2020 at 7:51 AM Gary Benson via cfe-users <
cfe-users at lists.llvm.org> wrote:

> Hi all,
>
> I'm trying to compile a generated assembler file using clang, but I'm
> getting a cryptic error message:
>
>   bash$ clang -c dw2-double-set-die-type_clang.s
>   <unknown>:0: error: Undefined temporary symbol
>   <unknown>:0: error: Undefined temporary symbol
>
> Are there command-line options I can use to narrow down what's causing
> this?  I'm using clang version 10.0.0 (Fedora 10.0.0-2.fc32) on x86_64
> if that matters.
>
> Thanks,
> Gary
>
> --
> Gary Benson - he / him / his
> Principal Software Engineer, Red Hat
>
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