[clang] [alpha.webkit.MemoryUnsafeCastChecker] Don't emit a warning for const_cast (PR #231833)

[Balázs Benics via cfe-commits]

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@@ -105,6 +105,16 @@ using BoundNodesMap = ::clang::ast_matchers::internal::BoundNodesMap;
 // Matches the plain `id` type.
 AST_MATCHER(QualType, isObjCIdType) { return Node->isObjCIdType(); }
 
+// Like equalsBoundNode, but compares canonical declarations so that different
+// redeclarations of the same class (e.g. a forward declaration and the
+// definition) are treated as the same declaration.
+AST_MATCHER_P(Decl, isSameDeclAsBoundNode, std::string, ID) {
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steakhal wrote:

I'd suggest a more specific name, something like `hasSameCanonicalDeclAsBoundNode`

https://github.com/llvm/llvm-project/pull/231833