[zorg] r300573 - Remove the ppc64le-clang-lnt buildbot because it continues to be flaky making it hard to listen to/use buildbots effectively due to the noise.

[Bill Seurer via llvm-commits]

On 04/19/2017 09:23 AM, David Blaikie wrote:
> On Wed, Apr 19, 2017 at 6:24 AM Bill Seurer <seurer at linux.vnet.ibm.com
> <mailto:seurer at linux.vnet.ibm.com>> wrote:
>
>     I had previously spent a good chunk of time tracing
>     back to the source of other thread-related problems and can adapt the
>     scripts I used then to investigate whatever you were seeing.  I suspect
>     this might be the same problem as I don't think the previous issues
>     were ever fixed.
>
>
> Likely was never fixed, by the sounds of it.

I ran 10,000 test iterations on the (then current) revision and found 
the following tests were problematic:


FAIL: ThreadSanitizer-powerpc64le :: ignore_lib1.cc

This one fails with some regularity, 48 times in 10,000 runs.


FAIL: ThreadSanitizer-powerpc64le :: ignore_lib5.cc

Failed 15 times in 10,000 runs.


FAIL: AddressSanitizer-powerpc64le-linux :: 
TestCases/Posix/current_allocated_bytes.cc

Failed 4 times in 10,000 runs


TestCases/Posix/current_allocated_bytes.cc

Failed once in 10,000 runs.


I looked back at my notes and the previous problem revision for threads 
was r279664.  I don't know if that is the case for these.
-- 

-Bill Seurer