<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=http://email.email.llvm.org/c/eJztW1tv27gS_jXKCyFDEnWxHvzgxM6e4LRJkXjRPU8GJVG2GloUSCpO--vPkJIcX3JzHSPZ3QSEqwvJGX4z5DccsQnPfg4mc4rSWghaKvRtThJRpERxgSpB7QUVM4oUlUoiIijKScGKcoYSmpJaUsRzxIqEiHRORVutrdLb6CvjVKKSKyTnfIkUSCSpqglbdWjaWt4Z-lFLBRWIMrVGNClIiZK6YJmpS7MeuqpoadpABcZnKIfHSNA7SphEy3mRznc1tpyR5Qyb37lSlbTw0PLOoZi-bwtFeylfwD1jdwu7EvwHTRXcAgoGBBuGmN7KroG-iEI37Fse7ruEBv1-ZJPUD2w_polNHJzYKQ0T6ua4HwaRRmpTLihc0KXsaXk9LmbwaOS6fRxEra6h0xZzez68-AJt1-DWPcEDQVKqtUlFoQBtZteloIwoQCpFltePXS0bu5HlxW3P3u8XNBnfTKDbaC89oD7SAxiP0CHCG_VvQEKltFRza9vtqEAHkHP956W-Av8Bs1PkYnhm4VOE4OX5HRHawkWybnebzMD11w275QLmOfzb09dFqcfICPifnXPwxEWF7ErNBSUZPCm5Te8rKooF9AkgFJIyZEPdKxfeSlICOL-ohUdtC2Rf_L5ijXi4UJwz_b6xiH5g_P-QvrtBt0_kujhRlwoGCFdSpMj-crgUaIfs7wwWAFtURM3h4k36PMDqL4CrYXhu5tn8ONi_qM1VrapaPaFWT2l3hRu-KPTqEEJBtLxDk5vh5fTq2-Ti6vIGvBMmTTEruaDTksNaK5WotUPTbLrgWc1AEB45MM9erOTqqX9EG2Q0Z-SW9hIi5x8WcM_CYwDaRVZ0BtREP6qiPc2mWsc3XCrPgZzPNHW-10x8lh38T3b4ZIdPdniJHYbXZ_8ZX2_wg9cu_RK8mTC90kMIXnGhphlRZMoouW2Wf--TXz755R_PL90uZHxfKHTGM6ppxl3fdZ7xxYKUGWpQ0jszqTKu8Yp39zKeDxU8s1f09NUjuxpvs-ob01crtyOx7ralstXbxwite7nq48pd1d-huO7NRXtxPCO-kZxXM18n8ctbSTTtmj7fnguPDv_zc6gdFz-mdQ5fvzo1W4bcnoPAc22NLbZ7M6o7to3W2e7Dm2IDe2C9j62w5r4jLtorGnz3idyNEKO0ZTzgOSrEiuTeSzU8xLDXG7qhZlJQiGuVEAS2Z_-1L8d_TcxjILMUqoPOQqeYdco65zUMoiihaBN3Y4Cy1RjG7EB4cwqlp7OV0QjKE6p0uVi0-WcF426_egawgWkhssNDX-utldcKmdBCpqQ0SfBc8AUCFGjb33eQZ_LyEmgW-TpkcO6jPKcupjhKYx8lP1G7vZzglVHQ6xQxMYkJWFaaVFzKImEU4FG0zAC7BVHpfE2nmz-_fh1e_09XnhjBN20UYAygtwsmeYyegMrC5xr9Hl9UU4iXdACU9R7X-vERmN8LbTzzqcCYam1UTXRmQsjV63dNVTShYFYvKrtxOTyaU1Zp52QEyMF8-Mg5Y3ypPcDUQbp6b3fASyIfJh4-2y7bKLrt6GspVksLyTLhadT1u9H34fX5w-wpyjvCigxxgepyDpOdgf3Pr66_InhemxbOvRegHUFeY4XRb5TdzrQbI1Ds8uLyjxe9DALvqsigH68f9t0IVsp4t0c94dD-c6ntqKT3qlluvMh51Dn_sqLxUcuDiUreTkizju2MNDAjNUvX5gx7bjoChk8T86lz76eU5O4DsruAHHv8H6hsIx52iLtoOr0FyGES8Vs6hYhScEUk7GTxuSkd1rAKgWl6khtwMxq1Xuv1T_U6dJHpHuPEy5wUu7nn9YMgCT7Rf8YGUWcDDyYHkMs24i96t_7w-7fDdxuFfoPCM4PYbmGYH33T3655LdHyNQukAbjd7T-zRL4_PG-A6G5c8oonbrSvHdzGcpOOerTLqhWphX6oT1KI2kSI2k9TqKej2k1rgLn-cQZ5BKv4geHa9NW0weP3wzzY2VQQKgpbqFVrJYmOloRi7c1UB8QipZXiQk4hTC7ue2lV6VDecaOXV5nAiZzsb7jKfJbDy5YPe852zNB48HTJxa0-gnPwfmUrdXn-a_qlKOv7aa0K1npt38G7wUhCHRx-BiOfZbds-7C7L8uZZAM6RvbgX--LO8N30Ut_Gsh9_57IDe0YGh-cDXhLU25rZ5IBo6vL8atlbfcQPOG9zRdzgMVFSyJ0tCY_jGu2KaPxdllLMa1yDF2mtzmhi5aFmiOqv4RKRVQtd76FHn4ItD0U28ibmPMs-qzr-sdUtN9Z2RcbMZ7e2iWIotn-7fZpUBFBGKPMlsWiYvQVLXTWwM5opedYmf58bQv9MxO8rvZSb9V0SQrVAvLqZkv-TFVdpa051dpM85rlBWOrzOjmkejm90oYf4O1HZHyJ6pMrotUFStotvKFvY58m1u9T1oPnHw3gjgHR_0kTkM_tROcO7Yf-8QmaZDZYeIHGPu0T7Fzkg1wFuOYnJAaFBODrxRYR8ikFie1YINNZWagfJ2sabKrUCFlbTAMsB9GJ_NBHGRpnBPficIA92OKU4rzqB8Q6iRpHscnjCSUyYEVnFqet_qEbwWjk8PFFwPP8TzH9fquH4SB2wtxHDo48lISJ2EeJpbvUICPrY62n4iB6TKpZxJesgKm68NLAhwxKylttf0BgtUv2qqrCsXo4MFTHv5TQnMevzvff2KUHBgN_w9F_zUn>53467</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            libarcher pre-merge checks failing
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            openmp
      </td>
    </tr>

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

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

<pre>
    The current Phabricator pre-merge tests are failing because of libarcher tests failing. Phabricator does not show the actual failing tests, just that the Debian build failed. Opening the log file reveals which tests are failing

https://buildkite.com/llvm-project/premerge-checks/builds/76168#81ae5887-ac45-49eb-a03b-ce6be1f38657 of https://reviews.llvm.org/D118357
```
FAIL: libarcher :: races/critical-unrelated.c (91 of 317)
******************** TEST 'libarcher :: races/critical-unrelated.c' FAILED ********************
Script:
--
: 'RUN: at line 13';   /var/lib/buildkite-agent/builds/llvm-project/build/./bin/clang -fopenmp -pthread -fno-experimental-isel -g -O1 -fsanitize=thread  -I /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests -I /var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/runtime/src -L /var/lib/buildkite-agent/builds/llvm-project/build/lib -Wl,-rpath,/var/lib/buildkite-agent/builds/llvm-project/build/lib   /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/races/critical-unrelated.c -o /var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp -latomic && env TSAN_OPTIONS='ignore_noninstrumented_modules=0:ignore_noninstrumented_modules=1' /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/deflake.bash /var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp 2>&1 | tee /var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp.log | /var/lib/buildkite-agent/builds/llvm-project/build/./bin/FileCheck /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/races/critical-unrelated.c
: 'RUN: at line 14';   /var/lib/buildkite-agent/builds/llvm-project/build/./bin/clang -fopenmp -pthread -fno-experimental-isel -g -O1 -fsanitize=thread  -I /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests -I /var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/runtime/src -L /var/lib/buildkite-agent/builds/llvm-project/build/lib -Wl,-rpath,/var/lib/buildkite-agent/builds/llvm-project/build/lib   /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/races/critical-unrelated.c -o /var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp -latomic && env ARCHER_OPTIONS="ignore_serial=1 report_data_leak=1" env TSAN_OPTIONS='ignore_noninstrumented_modules=0:ignore_noninstrumented_modules=1' /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/deflake.bash /var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp 2>&1 | tee /var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp.log | /var/lib/buildkite-agent/builds/llvm-project/build/./bin/FileCheck /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/races/critical-unrelated.c
--
Exit Code: 1

Command Output (stdout):
--
$ ":" "RUN: at line 13"
$ "/var/lib/buildkite-agent/builds/llvm-project/build/./bin/clang" "-fopenmp" "-pthread" "-fno-experimental-isel" "-g" "-O1" "-fsanitize=thread" "-I" "/var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests" "-I" "/var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/runtime/src" "-L" "/var/lib/buildkite-agent/builds/llvm-project/build/lib" "-Wl,-rpath,/var/lib/buildkite-agent/builds/llvm-project/build/lib" "/var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/races/critical-unrelated.c" "-o" "/var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp" "-latomic"
$ "env" "TSAN_OPTIONS=ignore_noninstrumented_modules=0:ignore_noninstrumented_modules=1" "/var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/deflake.bash" "/var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp"
$ "tee" "/var/lib/buildkite-agent/builds/llvm-project/build/projects/openmp/tools/archer/tests/races/Output/critical-unrelated.c.tmp.log"
$ "/var/lib/buildkite-agent/builds/llvm-project/build/./bin/FileCheck" "/var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/races/critical-unrelated.c"
# command stderr:
/var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/races/critical-unrelated.c:37:16: error: CHECK-NEXT: expected string not found in input
// CHECK-NEXT: #0 {{.*}}critical-unrelated.c:29
               ^
<stdin>:4:17: note: scanning from here
 Write of size 4 at 0x7ffe13e37c94 by thread T3:
                ^
<stdin>:22:29: note: possible intended match here
SUMMARY: ThreadSanitizer: data race critical-unrelated.c:? in .omp_outlined.
                            ^

Input file: <stdin>
Check file: /var/lib/buildkite-agent/builds/llvm-project/openmp/tools/archer/tests/races/critical-unrelated.c

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           1: /usr/bin/addr2line: DWARF error: invalid or unhandled FORM value: 0x25 
           2: ================== 
           3: WARNING: ThreadSanitizer: data race (pid=2868172) 
           4:  Write of size 4 at 0x7ffe13e37c94 by thread T3: 
next:37'0                     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
           5:  #0 .omp_outlined. critical-unrelated.c:? (critical-unrelated.c.tmp+0x4ceaf1) 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           6:  #1 __kmp_invoke_microtask ??:? (libomp.so+0xde772) (BuildId: 9b2d0c31f22855b5) 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           7:  #2 main ??:? (critical-unrelated.c.tmp+0x4cea68) 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           8:  
next:37'0     ~
           9:  Previous write of size 4 at 0x7ffe13e37c94 by main thread: 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
           .
           .
           .
          17:  
next:37'0     ~
          18:  Thread T3 (tid=2868646, running) created by main thread at: 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          19:  #0 pthread_create /var/lib/buildkite-agent/builds/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1017 (critical-unrelated.c.tmp+0x45070d) 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          20:  #1 __kmp_create_worker /var/lib/buildkite-agent/builds/llvm-project/openmp/runtime/src/z_Linux_util.cpp:803 (libomp.so+0xbe036) (BuildId: 9b2d0c31f22855b5) 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
          21:  
next:37'0     ~
          22: SUMMARY: ThreadSanitizer: data race critical-unrelated.c:? in .omp_outlined. 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
next:37'1                                 ?                                                 possible intended match
          23: ================== 
next:37'0     ~~~~~~~~~~~~~~~~~~~
          24: DONE 
next:37'0     ~~~~~
          25: ThreadSanitizer: reported 1 warnings 
next:37'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>>>

error: command failed with exit status: 1

********************

Failed Tests (9):
  libarcher :: races/critical-unrelated.c
  libarcher :: races/lock-nested-unrelated.c
  libarcher :: races/lock-unrelated.c
  libarcher :: races/parallel-simple.c
  libarcher :: races/task-dependency.c
  libarcher :: races/task-taskgroup-unrelated.c
  libarcher :: races/task-taskwait-nested.c
  libarcher :: races/task-two.c
  libarcher :: task/task_late_fulfill.c
```

Or without any patch applied:
https://buildkite.com/llvm-project/llvm-main/builds/4176#78b9c64c-b3f0-494a-ac5d-6b45334e8e30
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJztWltv47gO_jXui-DAdzsPeUibZE9xZppBm8XseQpkW048VSxDkpvO_PpDyZfm0lumDdrdTSGkvkgi-ZEiKVoxS38OZkuCkopzUkj0bYljnidYMo5KTswV4QuCJBFSIMwJynBO82KBYpLgShDEMkTzGPNkSXjTrenS25orZUSggkkklmyNJFDEiaww7SbUYw3nAv2ohIQOWOpeIxLnuEBxldNU9yVpD01LUugx0IGyBcrgMeLkjmAq0HqZJ8t9jg1rZFjD-ncpZSkMd2g4E2h67ttckl7CVnBP6d3KLDn7QRIJt4CCBsEEEZNb0Q5QF2FgB5HhuJGNiR9FoYkTzze9PolNbLmxmZAgJnbmRoEfKqS26QLDOVmLnqLXY3wBj0a2Hbl-2PAaWE3Tt5Ph5RcYuwG3mgkecJwQxU3CcwloU7MqOKFYAlIJMpyobyvarh0aTr-Z2fn9hmbjmxlMGx7EB_RHSoDxCL2FeM3-DVAopaKqb02zkQp4ADrXf16pK7AfUDtBtgvPDPccIXg5ucNcaTiPN_Vu4gWY_qZid0xAP4f_PXWdF0pGisH-zIyBJa5KZJZyyQlO4UnBTHJfEp6vYE4AIReEIhP6Tm14K3AB4PwihjtqRiDz8vcZq8nDhWSMqve1RtQDbf9vmbsVunkiNsnxqpAgIFwJniDzy9upwDhkfqfgAExeYrmEi3eZ8w1afwFcBcNzK89kx8H-RW6mlSwr-QRbPanMFW7YKlfeIYCGSHGHZjfDq_n02-xyenUD1gmLJl8UjJN5wcDXCskrZdAkna9YWlEg5I4sWGcvdrLV0j-iDlKSUXxLejEWy08LuGO4YwDaRkZ4AaGJfFZGeyqaKh7f0VVOIDhfqND5USvx2ejgnaLDKTqcosNL0WF4ffGf8fVWfHAa1y_AmjFVnh5S8JJxOU-xxHNK8G3t_p1TfDnFl398fGl3IeP7XKILlhIVZuzNXecFW61wkaIaJbUzEzJlCq_-_l7G8aCDo_eKjrp6ZFfjbHd95_DV0G2DWHvbhLLu7WMBrX3ZzTG1u_57Ia59c9lcHE-J70Tn1ZGvpfjlvSjqcfWc7x8Ljw7_82uokYsdUztv918tm02E3F2DEOeaHjvR7t1C3bF1tBntPr0qtrCHqPe5GVax74hOuwuDH76QWwldlDQRD-Ic4bwLch_Fmjt0Ya83tAMVSYEhplhCkNhe_Ne8Gv81048hmCXQHXjmqsSsStYZq0CIvICmVNzKAG1nMMhsQXpzDq2nqpXhCNoTrLS1WLT9Z_jjdr96AbCBaiGzc4ee4lsxrxjSqYVIcKGL4BlnKwQokGa-70BP1-UFhFnkqZTBug-zjNguccOk76H4J2q2lzO3Uwp6HSM6J9EJS8dJyYTIY0oAHkmKFLBbYZksN3i6-fPr1-H1_1TnmSZ802QBWgFqu6CLx-gJqAx3otDvsVU5h3xJJUBp73GuH5dA_14q5elPBVpVG1LV2ZlOIbvXH1qqqFPBtFqVZm1y7mhJaKmMk2IIDvrDR8YoZWtlAboPUt17-wKvsXhYeO7FbttF0W6krwTvXAtOU-4o1NW70ffh9eRh9eTFHaZ5ihhHVbGExU5B_5Pp9VcEzys9wrp3fLRHyKm1MPqNtj-ZMmMEjF1dXv3xopVB4l3mKczjREFkh-Ap-_szqgWHDl9LzUQFuZe1u3FC61Hj_MsIx0dtDyoqWLMgtR_bk9TXkmrXtb3CnluOgOHTgfncuvcSgjP7Adl9QI4t_ydqu4gHLeI2ms9vAXJYROyWzCGj5ExiATtZd6JbizV4IVBNTzANbkrCxmqd6Fz5octUzdiPndRKXDtznMj3Y_-E_jM6CFsdOLA4ILjsIv6idasPv387fHdRiGoUnhFid4SO_Oib-nbNKoHWr3GQGuBmt_-Mi_x4eN4B0f285BVP7PBQPdi15mZt6FEmK7ugFniBOknBK50hKjtNoJ_Kare1Aer6xynkEaz6DxGuKV_Nazx-P82DnU0JqSI3uexGS4FVtsQlbW7mKiHmCSkl42IOaXJ-30vKUqXylh2-7GV8K7TSv6GXObW3tx0bdqzdnKG24Pma8Vt1BOfN-5Wd0uXk1_xLXlT380rmtLHayHL3k5GYWG5wSkZObb_t2rB9aJTTxQZ0jOrBv94W98S30Ut_CshD_56oDe0p2n1zNeA9VbnLnS4GjKZX41fT2p3Bf8J66y_mAIuN1pirbE18GtNsSkbj3bZRYupqDG2ltz6hi9a5XCKivoQKiWUl9r6Fvv0QaHMotqY30-dZ1FnXzY-p6LCzsi8Ooiy5NQsgRdLDxx0yoMQcU0qoKfJVSckrRqiqgZmSUq2xIvn52hHqZ8FZVR7EXjd0jXPZAPLqYWv2TFfVpek5V9zMs4pmOaVdZXT7SHT9O-Xa3sC3I1z8RKWudeGypDlJO1s46Mi3vlX7pM3EybNDyHPcMIr7SeAlZuxmlun1PWzixE_NIPZ81_VIRFzrLB24ad_t4zOZS0oGD3I-HKmvT5O3p9PPKk4H2zwuQKYq3mBwn89ciEpD67teEJ4tB30ntiIPk8jLfMuyEg97XuR7vpPgMM1IdkZxTKgYGP654Tjdl33DH53lA8dyHMt2ItvzA9_uBW4_sNwQhvbjIAtiw7MIYEK78-pnfKD5iauFgJc0hzX48BKD418UhDS0fgDX8hdpiOEK9MUHXwkEYy7iip9pUQZajv8DNJYfXg">