[compiler-rt] r231367 - tsan: fix signal handling during stop-the-world

[Hans Wennborg]

I'm hitting this when running 'ninja check-all' on my machine.

If I just run the individual run line, it doesn't crash though.

On Mon, Mar 16, 2015 at 11:37 AM, David Blaikie <dblaikie at gmail.com> wrote:
> Not my bot (& I seem to have lost my local reproduction - it was failing
> pretty consistently for me last week - perhaps my machine instnalled a
> software update in the interim), +Galina who might have some more info about
> as-bldslv8.
>
> On Mon, Mar 16, 2015 at 11:34 AM, Kostya Serebryany <kcc at google.com> wrote:
>>
>>
>>
>> On Sun, Mar 15, 2015 at 12:34 AM, Dmitry Vyukov <dvyukov at google.com>
>> wrote:
>>>
>>> On Sun, Mar 15, 2015 at 12:32 AM, David Blaikie <dblaikie at gmail.com>
>>> wrote:
>>> >> Added:
>>> >>     compiler-rt/trunk/test/asan/TestCases/Linux/leak_check_segv.cc
>>> >>
>>> >>
>>> >> compiler-rt/trunk/test/asan/TestCases/Linux/signal_during_stop_the_world.cc
>>> >>
>>> >>
>>> >> compiler-rt/trunk/test/sanitizer_common/TestCases/Linux/signal_segv_handler.cc
>>> >
>>> >
>>> > This test appears to be flaky. Failing every second run here:
>>> >
>>> > http://lab.llvm.org:8011/builders/clang-x86_64-linux-selfhost-abi-test/builds/2871
>>> > and failing for me locally.
>>>
>>>
>>> The test does not fail for a bunch of us locally (I run it 5000 times
>>> locally).
>>> Can you please run it locally _without_ any tool? Does it fail?
>>
>>
>> Yea, we tried reproducing it on multiple machines with no luck.
>> Can we have access to the bot?