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Return empty IL2CPP class helper when metadata is unavailable - #305
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This was referenced Sep 22, 2026
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The existing
il2cpp_get_class_helperresolves a domain, assembly, image and class in sequence, but passes a failed lookup into the next IL2CPP call. Guard each stage so unavailable metadata produces an empty class helper instead.Successful lookups and the public API are unchanged. This preserves the null-safe lookup behavior used by optional feature callers without adding another class-lookup wrapper. It is independent of the loading-screen invocation refactor in #304; this is not a claim of a reproduced player crash.
Validation: Windows release build and a fixture using the production header passed. The fixture rejects downstream calls after each missing lookup stage, checks the successful path, and verifies missing-class method lookup. It is wired into Windows and both macOS CI jobs.