[clang-tools-extra] [clang-tidy] Option to ignore anonymous namespaces in avoid-non-const-global-variables (PR #93827)

[Piotr Zegar via cfe-commits]

================
@@ -16,9 +15,12 @@ using namespace clang::ast_matchers;
 namespace clang::tidy::cppcoreguidelines {
 
 void AvoidNonConstGlobalVariablesCheck::registerMatchers(MatchFinder *Finder) {
+  auto NamespaceMatcher = Options.get("AllowAnonymousNamespace", false)
----------------
PiotrZSL wrote:

Options.get should be called from constructor and saved into class member.
storeOption is missing or not updated.

https://github.com/llvm/llvm-project/pull/93827