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#if !defined _Noreturn && __STDC_VERSION__ < 201112
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# if (3 <= __GNUC__ || (__GNUC__ == 2 && 8 <= __GNUC_MINOR__) \
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|| 0x5110 <= __SUNPRO_C)
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# define _Noreturn __attribute__ ((__noreturn__))
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# elif 1200 <= _MSC_VER
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# define _Noreturn __declspec (noreturn)