[cfe-users] UBSAN_MODE_UNKNOWN

[Alexey Samsonov]

Hi Ben,

On Sun, May 3, 2015 at 9:52 PM, Ben Pope <benpope81 at gmail.com> wrote:

> When I run with UBSAN over the Boost libraries, I get a lot of output of
> the form:
> ==20717==Sanitizer CHECK failed:
> /home/ben/development/llvm/trunk/llvm/projects/compiler-rt/lib/ubsan/ubsan_init.cc:60
> ((UBSAN_MODE_UNKNOWN)) != ((ubsan_mode)) (0, 0)
>
> I'm not sure what's going wrong, I was expecting something more
> descriptive!


Right, I should probably add more descriptive error message...

Can you provide the details of how you compile
your source files and link them into libraries and executable? It looks
like your executable is linked with both UBSan
runtime and ASan runtime. It can happen if the link flags used were
inconsistent, or you mix libraries/executables
built with different versions of Clang.



>   Other tests do fail with more descriptive errors.
>
> Any suggestions?
>
> Thanks,
>
> Ben
>
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-- 
Alexey Samsonov
vonosmas at gmail.com
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