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/* { dg-options "-Wno-overflow" } */ #ifndef __SIZEOF_INT128__ #define UNACCEPT 0xffffffffffffffffLL #else #define UNACCEPT ~((unsigned __int128) 0) #endif enum test { acceptable = -1, unacceptable = UNACCEPT }; // { dg-error "" } enum test t = acceptable, u = unacceptable; int main() { return 0; }