[clang] [llvm] [clang] Add test run of 'dump_ast_matchers.py' (PR #165472)

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github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 54159 tests passed
* 1351 tests skipped
* 1 test failed

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

### Clang
<details>
<summary>Clang.AST/ast_matchers_updated.test</summary>

```
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 3
"C:\Python312\python.exe" C:\_work\llvm-project\llvm-project\clang\test\AST/../../docs/tools/dump_ast_matchers.py C:\_work\llvm-project\llvm-project\build\tools\clang\test\AST\Output\ast_matchers_updated.test.tmp
# executed command: 'C:\Python312\python.exe' 'C:\_work\llvm-project\llvm-project\clang\test\AST/../../docs/tools/dump_ast_matchers.py' 'C:\_work\llvm-project\llvm-project\build\tools\clang\test\AST\Output\ast_matchers_updated.test.tmp'
# note: command had no output on stdout or stderr
# RUN: at line 4
diff C:\_work\llvm-project\llvm-project\build\tools\clang\test\AST\Output\ast_matchers_updated.test.tmp C:\_work\llvm-project\llvm-project\clang\test\AST/../../docs/LibASTMatchersReference.html
# executed command: diff 'C:\_work\llvm-project\llvm-project\build\tools\clang\test\AST\Output\ast_matchers_updated.test.tmp' 'C:\_work\llvm-project\llvm-project\clang\test\AST/../../docs/LibASTMatchersReference.html'
# .---command stdout------------
# | *** C:\_work\llvm-project\llvm-project\build\tools\clang\test\AST\Output\ast_matchers_updated.test.tmp
# | --- C:\_work\llvm-project\llvm-project\clang\test\AST/../../docs/LibASTMatchersReference.html
# | ***************
# | *** 8928,8934 ****
# |   
# |   
# |   <tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>></td><td class="name" onclick="toggle('hasInClassInitializer0')"><a name="hasInClassInitializer0Anchor">hasInClassInitializer</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
# | ! <tr><td colspan="4" class="doc" id="hasInClassInitializer0"><pre>Matches non-static data memberss that have an in-class initializer.
# |   
# |   Given
# |     class C {
# | --- 8928,8934 ----
# |   
# |   
# |   <tr><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1FieldDecl.html">FieldDecl</a>></td><td class="name" onclick="toggle('hasInClassInitializer0')"><a name="hasInClassInitializer0Anchor">hasInClassInitializer</a></td><td>Matcher<<a href="https://clang.llvm.org/doxygen/classclang_1_1Expr.html">Expr</a>> InnerMatcher</td></tr>
# | ! <tr><td colspan="4" class="doc" id="hasInClassInitializer0"><pre>Matches non-static data members that have an in-class initializer.
# |   
# |   Given
# |     class C {
# `-----------------------------
# 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/165472