[llvm] llvm-reduce: Use 80 dashes for section separator in status printing (PR #133686)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/59/builds/15179

<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/conditional_break/TestConditionalBreak.py (325 of 2110)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/compactvectors/TestCompactVectors.py (326 of 2110)
PASS: lldb-api :: functionalities/data-formatter/cstring-utf8-summary/TestCstringUnicode.py (327 of 2110)
PASS: lldb-api :: functionalities/data-formatter/builtin-formats/TestBuiltinFormats.py (328 of 2110)
PASS: lldb-api :: functionalities/breakpoint/consecutive_breakpoints/TestConsecutiveBreakpoints.py (329 of 2110)
PASS: lldb-api :: functionalities/data-formatter/callback-matching/TestDataFormatterCallbackMatching.py (330 of 2110)
PASS: lldb-api :: functionalities/breakpoint/thread_plan_user_breakpoint/TestThreadPlanUserBreakpoint.py (331 of 2110)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-caching/TestDataFormatterCaching.py (332 of 2110)
PASS: lldb-api :: functionalities/data-formatter/custom-printf-summary/TestCustomSummaryLLVMFormat.py (333 of 2110)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-categories/TestDataFormatterCategories.py (334 of 2110)
FAIL: lldb-api :: functionalities/data-formatter/data-formatter-advanced/TestDataFormatterAdv.py (335 of 2110)
******************** TEST 'lldb-api :: functionalities/data-formatter/data-formatter-advanced/TestDataFormatterAdv.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/gmake --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/data-formatter/data-formatter-advanced -p TestDataFormatterAdv.py
--
Exit Code: -11

Command Output (stdout):
--
lldb version 21.0.0git (https://github.com/llvm/llvm-project.git revision f82283a84ed897f06a1aaac028accbad0d5057c7)
  clang revision f82283a84ed897f06a1aaac028accbad0d5057c7
  llvm revision f82283a84ed897f06a1aaac028accbad0d5057c7
Skipping the following test categories: ['libc++', 'dsym', 'gmodules', 'debugserver', 'objc']

--
Command Output (stderr):
--
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_with_run_command_dsym (TestDataFormatterAdv.AdvDataFormatterTestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_with_run_command_dwarf (TestDataFormatterAdv.AdvDataFormatterTestCase)
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_with_run_command_dwo (TestDataFormatterAdv.AdvDataFormatterTestCase)
----------------------------------------------------------------------
Ran 3 tests in 0.976s

OK (skipped=1)

--

********************
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjCCF.py (336 of 2110)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-globals/TestDataFormatterGlobals.py (337 of 2110)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-enum-format/TestDataFormatterEnumFormat.py (338 of 2110)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-disabling/TestDataFormatterDisabling.py (339 of 2110)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjCExpr.py (340 of 2110)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjCKVO.py (341 of 2110)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-named-summaries/TestDataFormatterNamedSummaries.py (342 of 2110)
PASS: lldb-api :: functionalities/data-formatter/data-formatter-cpp/TestDataFormatterCpp.py (343 of 2110)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjCNSContainer.py (344 of 2110)
UNSUPPORTED: lldb-api :: functionalities/data-formatter/data-formatter-objc/TestDataFormatterObjCNSBundle.py (345 of 2110)

```

</details>

https://github.com/llvm/llvm-project/pull/133686