[llvm-dev] Possible UB in reading coverage mapping with compressed function names
Xinliang David Li via llvm-dev
llvm-dev at lists.llvm.org
Mon Apr 18 20:40:07 PDT 2016
I will try to take a look at it some time this week.
On Mon, Apr 18, 2016 at 8:12 PM, Igor Kudrin <ikudrin.dev at gmail.com> wrote:
> Hi David, Vedant,
> It looks like we might have UB somewhere connected with reading coverage
> mapping serialized in v2 format (with compressed function names).
> I committed my patch, r266436, using the current format for .covmapping
> file, and then buildbots complained about it:
> I tried to reproduce the issue locally, but didn't succeed. Anyway, I've
> reapplied my patch (r266620) using the old format
> for .covmapping, and buildbots are happy now.
> Could you take a look on that? Do you have any idea what might cause the
> Best regards,
> Igor Kudrin
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