[clang-tools-extra] [clangd] Add config option to analyze unused system headers (PR #87208)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

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You can test this locally with the following command:
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``````````bash
git-clang-format --diff 82c6eeed08b1c8267f6e92d594c910fe57a9775e f222e44f5586297ddd61ac0efff4a7115a766c53 -- clang-tools-extra/clangd/Config.h clang-tools-extra/clangd/ConfigCompile.cpp clang-tools-extra/clangd/ConfigFragment.h clang-tools-extra/clangd/ConfigYAML.cpp clang-tools-extra/clangd/IncludeCleaner.cpp clang-tools-extra/clangd/IncludeCleaner.h clang-tools-extra/clangd/ParsedAST.cpp clang-tools-extra/clangd/unittests/ConfigCompileTests.cpp clang-tools-extra/clangd/unittests/ConfigYAMLTests.cpp clang-tools-extra/clangd/unittests/IncludeCleanerTests.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang-tools-extra/clangd/ConfigCompile.cpp b/clang-tools-extra/clangd/ConfigCompile.cpp
index 570f3cfc3c..f74c870adf 100644
--- a/clang-tools-extra/clangd/ConfigCompile.cpp
+++ b/clang-tools-extra/clangd/ConfigCompile.cpp
@@ -584,7 +584,8 @@ struct FragmentCompiler {
           diag(Warning,
                llvm::formatv("Invalid regular expression '{0}': {1}",
                              *HeaderPattern, RegexError)
-                   .str(), HeaderPattern.Range);
+                   .str(),
+               HeaderPattern.Range);
           continue;
         }
         Filters->push_back(std::move(CompiledRegex));

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https://github.com/llvm/llvm-project/pull/87208