<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/117773>117773</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [openmp] Test `libarcher :: races/taskwait-depend.c` fails intermittently
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          tuliom
      </td>
    </tr>
</table>

<pre>
    From time to time, we see failures from `libarcher :: races/taskwait-depend.c`. We've already reproduced these failures on both aarch64 and s390x.

```
******************** TEST 'libarcher :: races/taskwait-depend.c' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 14
/builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/clang -fopenmp  -gdwarf-4 -O1 -fsanitize=thread  -I /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests -I /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -L /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c -o /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp -latomic && env TSAN_OPTIONS='ignore_noninstrumented_modules=0:ignore_noninstrumented_modules=1' /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/deflake.bash /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp 2>&1 | tee /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp.log | /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/FileCheck /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c
# executed command: /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/clang -fopenmp -gdwarf-4 -O1 -fsanitize=thread -I /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests -I /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -L /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c -o /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp -latomic
# executed command: env TSAN_OPTIONS=ignore_noninstrumented_modules=0:ignore_noninstrumented_modules=1 /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/deflake.bash /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp
# executed command: tee /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp.log
# executed command: /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/FileCheck /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c
# RUN: at line 15
/builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/clang -fopenmp  -gdwarf-4 -O1 -fsanitize=thread  -I /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests -I /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -L /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c -o /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp -latomic && env ARCHER_OPTIONS="ignore_serial=1 report_data_leak=1" env TSAN_OPTIONS='ignore_noninstrumented_modules=0:ignore_noninstrumented_modules=1' /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/deflake.bash /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp 2>&1 | tee /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp.log | /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/FileCheck /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c
# executed command: /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/clang -fopenmp -gdwarf-4 -O1 -fsanitize=thread -I /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests -I /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -L /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -Wl,-rpath,/builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c -o /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp -latomic
# executed command: env 'ARCHER_OPTIONS=ignore_serial=1 report_data_leak=1' env TSAN_OPTIONS=ignore_noninstrumented_modules=0:ignore_noninstrumented_modules=1 /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/deflake.bash /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp
# note: command had no output on stdout or stderr
# error: command failed with exit status: 1
# executed command: tee /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/runtimes/runtimes-bins/openmp/tools/archer/tests/races/Output/taskwait-depend.c.tmp.log
# executed command: /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/FileCheck /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line: /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/llvm/redhat-linux-build/./bin/FileCheck /builddir/build/BUILD/llvm-project-ba623e10b4064c410a1b79280ec7fb963463eb29/openmp/tools/archer/tests/races/taskwait-depend.c
# `-----------------------------
# error: command failed with exit status: 2

--

********************
```

A full log of the builds are available at:
- s390x: https://download.copr.fedorainfracloud.org/results/@fedora-llvm-team/llvm-snapshots-big-merge-20241115/fedora-40-s390x/08264238-llvm/builder-live.log.gz
- aarch64: https://download.copr.fedorainfracloud.org/results/@fedora-llvm-team/llvm-snapshots-big-merge-20241120/rhel-8-aarch64/08283233-llvm/builder-live.log.gz
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJzsWl1v27gS_TX0y4CCRMmS9eAH145wAxTNRZuijwElji3eUKRBUvnor7-gLG_TbjbZtlvE6UoQYEEiOWd4RqPjwXDn5E4jLsn8DZlvZrz3rbFL3ytpulltxP2ysqYDLzsEb4ZfwtZwi-AQYcul6i062IZBJI-VrLltWrRA0hVJV2B5g46wynN3fculpwL3qEXUkDyO4BMSVtwgcGWRi3uwuLdG9A0K8C26BwaMhtr4FnhYPs-AawEuLeO7iMSrcObxeMYrwn78hMuzD5dAWPEdnrACqtX527MN_IxlEq_O7qSHtREY7LGDY2vTdcHZi97vew-ELZwXpveElQFYvKJ0cDmF9x_fhXncg5IaIcmG-1XdSyWEtMdLwqo3H8_fbgirlLrp6N6a_2Hjac1zlmIS11mcZ02WxDypi5ItYmyKbV3maZanWLNynEdYZVG03FMldX9Hj2tHwY7UhFWN4noHdGv2qLs9AN2JW263NAN6kQDdOq6ll5-RpBvfBv4B6Dn8GsQHDIE9Y1Rg8cBtuIHOu19n-Kmtsr0O75N7cElrqd1DvOMDwipnG6BvXwfMT4qwNbV77lvC1q8B8ouEXUDxV1kFqDlRrp_15ZCqHnMq8t0eqOLedDLseU5YDqhv4PLD6t3VxX8vzy_efSDphrBC7rSxeKWNltp523eoPYqrzoheoSPpJibp6tlBSUjOL8WtwK3i1xjV3LW_KZeMpGeE5QmQYg0e8fd0M1JmN3j4kp_TSipct9hcn16uGgUI3mHTexTQHDRLUCMnJECe1x-T_JjkxyQ__iXy44mk9Ygi-YfkyKRFfhmxT_D5WwuTE_34nr5c-bZeMp_qJZNgmQTLJFhOK8c_Wi9ZvV__5-z9VxUTNqoPh1ZyNYgNi3tj_ZXgnl8p5NeHggibKi6vOBqmisskYaaKyyRgTgvmJGAmAfOzFRfCij_Jmr-raYqpZvMaQ2OMCG380PIwBgS0XIA2YA4tD0bDoeUBjA1XaO0xkqw19uHELZcKBdxK3wLeSQ_Oc9-7MCSZ6kMnJRVOX1xFlNJjYB3Cjj44xkFBo35x5Y-AJKwg6dp5IfWg1wuQDrDb-_vo0YlHO0pqnJh5jhmSx_Sp4wfSw9htdZj7cy1k33ajxasVbHulIPynMVvwLcKwlw64ReA3XCpeKwTux46uQ2dbgNV6vw_4CKvCB8HcamW4iBqzt9EWhbFc6q3ljTK9iIzdDey6Xg3bSLL4MIYOVHnk3ZE2p_netcaHjLOjHdodUhazLEmSOWHVOC2L6QEJq-IFyzOWLugYQ4MDaKmSNxiyTLT7PCAf-_NeBjuLwxotKrqgRyAD9EXK0vQJ6DOxTEWZlnyGy6RIWT6Pk5zN2mVdNk2J83rOMS8KwXmGPEkbJsq0KMtFPJPL0XSelBnLWNQU2yJrRJljUZRJPidZjB2XKgrWg5sz6VyPyyQpiiKdKV6jckP7JWMab2F4Shgj883MLgeH637nSBYr6bz7soyXXg19m-P7NN_AJTr_3V2Yw1vhQGqPtpPeo_bqftZbtfyawJ30bV9Hjem-ZJKHKYCwasAe7IzO3SzZ_wMAAP__th6XBg">