<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/54935>54935</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang-tidy Segmentation Fault
        </td>
    </tr>

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

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

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

<pre>
    OS:
`macOS Big Sur 11.6`

C++:
```
cisl-farmington:build pearse$ c++ --version
Apple clang version 12.0.0 (clang-1200.0.32.29)
Target: x86_64-apple-darwin20.6.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin
```

clang-tidy:
```
cisl-farmington:build pearse$ clang-tidy --version
LLVM (http://llvm.org/):
LLVM version 12.0.1
Optimized build.
Default target: x86_64-apple-darwin20.6.0
Host CPU: skylake
```

To reproduce:
```
git clone https://github.com/NCAR/VAPOR.git
cd VAPOR && mkdir build && cd build
git checkout clang-tidy
ccmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
make && clang-tidy -p ./ ../apps/vaporgui/MainForm.cpp -checks=*
```

Segmentation Fault:
```
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace.
Stack dump:
0.      Program arguments: /opt/local/libexec/llvm-12/bin/clang-tidy -p ./ ../apps/vaporgui/MainForm.cpp -checks=*
1.      <eof> parser at end of file
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  libLLVM.dylib            0x000000010fb06647 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 39
1  libLLVM.dylib            0x000000010fb054f8 llvm::sys::RunSignalHandlers() + 248
2  libLLVM.dylib            0x000000010fb06e70 SignalHandler(int) + 272
3  libsystem_platform.dylib 0x00007fff2036ed7d _sigtramp + 29
4  libsystem_platform.dylib 0x00007ffee38502b8 _sigtramp + 18446744072691258712
5  libclang-cpp.dylib       0x000000010d1afa4a clang::ASTContext::getASTRecordLayout(clang::RecordDecl const*) const + 3658
6  libclang-cpp.dylib       0x000000010d1b6a48 (anonymous namespace)::EmptySubobjectMap::ComputeEmptySubobjectSizes() + 360
7  libclang-cpp.dylib       0x000000010d1af21a clang::ASTContext::getASTRecordLayout(clang::RecordDecl const*) const + 1562
8  libclang-cpp.dylib       0x000000010d1b6a48 (anonymous namespace)::EmptySubobjectMap::ComputeEmptySubobjectSizes() + 360
9  libclang-cpp.dylib       0x000000010d1af21a clang::ASTContext::getASTRecordLayout(clang::RecordDecl const*) const + 1562
10 clang-tidy               0x000000010c421f02 clang::tidy::altera::StructPackAlignCheck::check(clang::ast_matchers::MatchFinder::MatchResult const&) + 482
11 libclang-cpp.dylib       0x000000010d397f4c clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::MatchVisitor::visitMatch(clang::ast_matchers::BoundNodes const&) + 60
12 libclang-cpp.dylib       0x000000010d3c1a17 clang::ast_matchers::internal::BoundNodesTreeBuilder::visitMatches(clang::ast_matchers::internal::BoundNodesTreeBuilder::Visitor*) + 215
13 libclang-cpp.dylib       0x000000010d3978ca clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::matchWithFilter(clang::DynTypedNode const&) + 1514
14 libclang-cpp.dylib       0x000000010d3983ea clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::TraverseDecl(clang::Decl*) + 234
15 libclang-cpp.dylib       0x000000010d399dc1 clang::RecursiveASTVisitor<clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor>::TraverseDecl(clang::Decl*) + 6545
16 libclang-cpp.dylib       0x000000010d3983f5 clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::TraverseDecl(clang::Decl*) + 245
17 libclang-cpp.dylib       0x000000010d39b6e2 clang::RecursiveASTVisitor<clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor>::TraverseDecl(clang::Decl*) + 12978
18 libclang-cpp.dylib       0x000000010d3983f5 clang::ast_matchers::internal::(anonymous namespace)::MatchASTVisitor::TraverseDecl(clang::Decl*) + 245
19 libclang-cpp.dylib       0x000000010d376b2b clang::ast_matchers::MatchFinder::matchAST(clang::ASTContext&) + 843
20 libclang-cpp.dylib       0x000000010e5f320c clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) + 44
21 libclang-cpp.dylib       0x000000010cd32ac3 clang::ParseAST(clang::Sema&, bool, bool) + 643
22 libclang-cpp.dylib       0x000000010e5b929a clang::FrontendAction::Execute() + 90
23 libclang-cpp.dylib       0x000000010e53f811 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 2145
24 libclang-cpp.dylib       0x000000010e7544b0 clang::tooling::FrontendActionFactory::runInvocation(std::__1::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::__1::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) + 288
25 clang-tidy               0x000000010c3b3545 clang::tidy::runClangTidy(clang::tidy::ClangTidyContext&, clang::tooling::CompilationDatabase const&, llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem>, bool, llvm::StringRef)::ActionFactory::runInvocation(std::__1::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::__1::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) + 85
26 libclang-cpp.dylib       0x000000010e754317 clang::tooling::ToolInvocation::runInvocation(char const*, clang::driver::Compilation*, std::__1::shared_ptr<clang::CompilerInvocation>, std::__1::shared_ptr<clang::PCHContainerOperations>) + 279
27 libclang-cpp.dylib       0x000000010e7531b7 clang::tooling::ToolInvocation::run() + 2631
28 libclang-cpp.dylib       0x000000010e755958 clang::tooling::ClangTool::run(clang::tooling::ToolAction*) + 2936
29 clang-tidy               0x000000010c3afd1b clang::tidy::runClangTidy(clang::tidy::ClangTidyContext&, clang::tooling::CompilationDatabase const&, llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem>, bool, llvm::StringRef) + 1035
30 clang-tidy               0x000000010c3dc06b clang::tidy::clangTidyMain(int, char const**) + 8299
31 libdyld.dylib            0x00007fff20344f3d start + 1
32 libdyld.dylib            0x0000000000000005 start + 18446603339975864521
Segmentation fault: 11
```

</pre>
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