XRay-aarch64-linux::patching-unpatching.cc test flaky

[x y via llvm-commits]

Is it possible to download the executable built in one of the builds where
this test failed?
I see the same problem in
http://lab.llvm.org:8011/builders/clang-native-aarch64-full/builds/87

Thanks,
Serge

On 1 December 2016 at 14:26, Renato Golin <renato.golin at linaro.org> wrote:

> On 1 December 2016 at 11:18, x y <serge.rogatch at gmail.com> wrote:
> > I start looking at it today. I guess it could be some UB as we saw
> > occasional failure of another AArch64 XRay test earlier:
> > http://lab.llvm.org:8011/builders/clang-native-aarch64-full/builds/69 .
> > I don't know how to disable a test except XFAIL, but that is only good
> for
> > consistently failing tests.
>
> There are many ways this can be disabled, but the one we used for the
> sanitizers was to create a "stable-runtime" flag on the lig.cfg files
> and add to the flaky tests:
>
> // REQUIRES: stable-runtime
>
> Basically, "stable-runtime" was set if the arch wasn't "arm". Since
> XRay's support for AArch64 and ARM is experimental, we could make the
> same assumption and copy the lit.cfg behaviour until you fix all the
> issues.
>
> For context, see: https://llvm.org/bugs/show_bug.cgi?id=31074
>
> cheers,
> --renato
>
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