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AI-generatedstd::chrono::locate_zone returns null pointer on some platforms
Goal Assess whether a program can depend on std::chrono::locate_zone to return a valid std::chrono::time_zone const* for a given IANA name when the same binary is executed on different operating systems or when the host’s time‑zone database is outdated or missing. Constraints and uncertainty The C++20 standard does not require an embedded zone database; impl