[clang-tools-extra] [clang-tidy] Implement alphabetical order test (PR #166072)

[via cfe-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 3052 tests passed
* 7 tests skipped
* 1 test failed

## Failed Tests
(click on a test name to see its output)

### Clang Tools
<details>
<summary>Clang Tools.clang-tidy/infrastructure/alphabetical-order.test</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/usr/bin/python3 /home/gha/actions-runner/_work/llvm-project/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/../../../clang-tidy/tool/check_alphabetical_order.py -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/alphabetical-order.test.tmp.clang-tidy-checks-list.rst
# executed command: /usr/bin/python3 /home/gha/actions-runner/_work/llvm-project/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/../../../clang-tidy/tool/check_alphabetical_order.py -o /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/alphabetical-order.test.tmp.clang-tidy-checks-list.rst
# note: command had no output on stdout or stderr
# RUN: at line 2
diff --strip-trailing-cr /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/alphabetical-order.test.tmp.clang-tidy-checks-list.rst /home/gha/actions-runner/_work/llvm-project/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/../../../docs/clang-tidy/checks/list.rst
# executed command: diff --strip-trailing-cr /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/alphabetical-order.test.tmp.clang-tidy-checks-list.rst /home/gha/actions-runner/_work/llvm-project/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/../../../docs/clang-tidy/checks/list.rst
# .---command stdout------------
# | *** /home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/alphabetical-order.test.tmp.clang-tidy-checks-list.rst
# | --- /home/gha/actions-runner/_work/llvm-project/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/../../../docs/clang-tidy/checks/list.rst
# | ***************
# | *** 462,470 ****
# |      :doc:`cert-mem57-cpp <cert/mem57-cpp>`, :doc:`bugprone-default-operator-new-on-overaligned-type <bugprone/default-operator-new-on-overaligned-type>`,
# |      :doc:`cert-msc24-c <cert/msc24-c>`, :doc:`bugprone-unsafe-functions <bugprone/unsafe-functions>`,
# |      :doc:`cert-msc30-c <cert/msc30-c>`, :doc:`misc-predictable-rand <misc/predictable-rand>`,
# |      :doc:`cert-msc32-c <cert/msc32-c>`, :doc:`bugprone-random-generator-seed <bugprone/random-generator-seed>`,
# |      :doc:`cert-msc33-c <cert/msc33-c>`, :doc:`bugprone-unsafe-functions <bugprone/unsafe-functions>`,
# | -    :doc:`cert-msc50-cpp <cert/msc50-cpp>`, :doc:`misc-predictable-rand <misc/predictable-rand>`,
# |      :doc:`cert-msc51-cpp <cert/msc51-cpp>`, :doc:`bugprone-random-generator-seed <bugprone/random-generator-seed>`,
# |      :doc:`cert-msc54-cpp <cert/msc54-cpp>`, :doc:`bugprone-signal-handler <bugprone/signal-handler>`,
# |      :doc:`cert-oop11-cpp <cert/oop11-cpp>`, :doc:`performance-move-constructor-init <performance/move-constructor-init>`,
# | --- 462,470 ----
# |      :doc:`cert-mem57-cpp <cert/mem57-cpp>`, :doc:`bugprone-default-operator-new-on-overaligned-type <bugprone/default-operator-new-on-overaligned-type>`,
# |      :doc:`cert-msc24-c <cert/msc24-c>`, :doc:`bugprone-unsafe-functions <bugprone/unsafe-functions>`,
# |      :doc:`cert-msc30-c <cert/msc30-c>`, :doc:`misc-predictable-rand <misc/predictable-rand>`,
# | +    :doc:`cert-msc50-cpp <cert/msc50-cpp>`, :doc:`misc-predictable-rand <misc/predictable-rand>`,
# |      :doc:`cert-msc32-c <cert/msc32-c>`, :doc:`bugprone-random-generator-seed <bugprone/random-generator-seed>`,
# |      :doc:`cert-msc33-c <cert/msc33-c>`, :doc:`bugprone-unsafe-functions <bugprone/unsafe-functions>`,
# |      :doc:`cert-msc51-cpp <cert/msc51-cpp>`, :doc:`bugprone-random-generator-seed <bugprone/random-generator-seed>`,
# |      :doc:`cert-msc54-cpp <cert/msc54-cpp>`, :doc:`bugprone-signal-handler <bugprone/signal-handler>`,
# |      :doc:`cert-oop11-cpp <cert/oop11-cpp>`, :doc:`performance-move-constructor-init <performance/move-constructor-init>`,
# `-----------------------------
# error: command failed with exit status: 1

--

```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/166072