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Richard Smith
1106d967df
If C++ overload resolution selects a builtin operator candidate for an enum comparison or bitwise operator, provide support for that operator by generating a corresponding Carbon builtin function. This is structured to be easily extensible to other C++ builtin overload candidates if we so choose, but for now the operators defined in the prelude are doing what we want in most cases. Bitwise operators on enums produce the same enum type as a result. This intentionally deviates from C++, where they produce a promoted integral type. Assisted-by: Gemini via Antigravity