[clang] Add 'forNone' AST matcher (PR #86230)

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


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

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``````````bash
git-clang-format --diff 718fbbef5f18a2b7e7fc4f842b1452ae9bee581a b0ef223dfab9c8ebc67601ccfbbe0ce3abe15f12 -- clang/include/clang/ASTMatchers/ASTMatchers.h clang/include/clang/ASTMatchers/ASTMatchersInternal.h clang/lib/ASTMatchers/ASTMatchersInternal.cpp clang/lib/ASTMatchers/Dynamic/Registry.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/include/clang/ASTMatchers/ASTMatchersInternal.h b/clang/include/clang/ASTMatchers/ASTMatchersInternal.h
index bf5aaf74c0..31c0ec2c29 100644
--- a/clang/include/clang/ASTMatchers/ASTMatchersInternal.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchersInternal.h
@@ -1645,8 +1645,8 @@ public:
   bool matches(const T &Node, ASTMatchFinder *Finder,
                BoundNodesTreeBuilder *Builder) const override {
     BoundNodesTreeBuilder MatchingBuilder(*Builder);
-    bool AnyMatched = Finder->matchesChildOf(Node, this->InnerMatcher, &MatchingBuilder,
-                                        ASTMatchFinder::BK_All);
+    bool AnyMatched = Finder->matchesChildOf(
+        Node, this->InnerMatcher, &MatchingBuilder, ASTMatchFinder::BK_All);
     if (!AnyMatched) {
       // We didn't iterate over any nodes that matched, so
       // Builder would be empty. This is a success case.

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https://github.com/llvm/llvm-project/pull/86230