[clang] Fix clang module lambda mangling (PR #235458)

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


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You can test this locally with the following command:
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- clang/test/CodeGenCXX/mangle-lambda-static-local-module.cpp clang/lib/AST/ItaniumMangle.cpp --diff_from_common_commit
``````````

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<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
index f54369099..ea0caee8d 100644
--- a/clang/lib/AST/ItaniumMangle.cpp
+++ b/clang/lib/AST/ItaniumMangle.cpp
@@ -2006,7 +2006,8 @@ void CXXNameMangler::mangleLocalName(GlobalDecl GD,
     if (D == RD) {
       const NamedDecl *PrefixND = getClosurePrefix(RD);
       if (PrefixND && !isCompatibleWith(LangOptions::ClangABI::Ver18))
-        mangleNestedNameWithClosurePrefix(GD, PrefixND, AdditionalAbiTags, /*NoFunction=*/true);
+        mangleNestedNameWithClosurePrefix(GD, PrefixND, AdditionalAbiTags,
+                                          /*NoFunction=*/true);
       else
         mangleUnqualifiedName(RD, DC, AdditionalAbiTags);
     } else if (const BlockDecl *BD = dyn_cast<BlockDecl>(D)) {

``````````

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https://github.com/llvm/llvm-project/pull/235458