llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-ubuntu` 
running on `linaro-lldb-aarch64-ubuntu` while building `clang,llvm` at step 6 
"test".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/59/builds/6757

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentSignalWatch.py (621 of 
2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentSignalWatchBreak.py (622 
of 2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentSignalNWatchNBreak.py 
(623 of 2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentTwoBreakpointThreads.py 
(624 of 2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentSignalDelayWatch.py (625 
of 2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentTwoBreakpointsOneSignal.py
 (626 of 2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentTwoBreakpointsOneWatchpoint.py
 (627 of 2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentTwoWatchpointThreads.py 
(628 of 2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentTwoWatchpointsOneBreakpoint.py
 (629 of 2039)
PASS: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentTwoBreakpointsOneDelaySignal.py
 (630 of 2039)
FAIL: lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentTwoWatchpointsOneSignal.py
 (631 of 2039)
******************** TEST 'lldb-api :: 
functionalities/thread/concurrent_events/TestConcurrentTwoWatchpointsOneSignal.py'
 FAILED ********************
Script:
--
/usr/bin/python3.10 
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/dotest.py
 -u CXXFLAGS -u CFLAGS --env 
LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib --env 
LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/include 
--env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin 
--arch aarch64 --build-dir 
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex 
--lldb-module-cache-dir 
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api
 --clang-module-cache-dir 
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api
 --executable /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/lldb 
--compiler /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/clang 
--dsymutil /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/dsymutil 
--make /usr/bin/make --llvm-tools-dir 
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --lldb-obj-root 
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb --lldb-libs-dir 
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib 
/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/functionalities/thread/concurrent_events
 -p TestConcurrentTwoWatchpointsOneSignal.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 20.0.0git (https://github.com/llvm/llvm-project.git revision 
761fa5844e692dbc7e0dcf8e30e80ef7ba38a317)
  clang revision 761fa5844e692dbc7e0dcf8e30e80ef7ba38a317
  llvm revision 761fa5844e692dbc7e0dcf8e30e80ef7ba38a317
Skipping the following test categories: ['libc++', 'dsym', 'gmodules', 
'debugserver', 'objc']

Watchpoint 1 hit:
old value: 0
new value: 1

Watchpoint 1 hit:
old value: 1
new value: 1

--
Command Output (stderr):
--
FAIL: LLDB 
(/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: 
test (TestConcurrentTwoWatchpointsOneSignal.ConcurrentTwoWatchpointsOneSignal)
======================================================================
FAIL: test 
(TestConcurrentTwoWatchpointsOneSignal.ConcurrentTwoWatchpointsOneSignal)
   Test two threads that trigger a watchpoint and one signal thread.
----------------------------------------------------------------------
Traceback (most recent call last):
  File 
"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/packages/Python/lldbsuite/test/decorators.py",
 line 148, in wrapper
    return func(*args, **kwargs)
  File 
"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/functionalities/thread/concurrent_events/TestConcurrentTwoWatchpointsOneSignal.py",
 line 15, in test
    self.do_thread_actions(num_watchpoint_threads=2, num_signal_threads=1)
  File 
"/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/packages/Python/lldbsuite/test/concurrent_base.py",
 line 333, in do_thread_actions
    self.assertEqual(
AssertionError: 1 != 2 : Expected 1 stops due to signal delivery, but got 2

```

</details>

https://github.com/llvm/llvm-project/pull/112725
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