1 // { dg-do compile { target c++14 } } 2 3 #define assert(E) if(!(E))__builtin_abort(); 4 5 #define m(x) 0 6 7 int main()8main() 9 { 10 assert(1048576 == 1'048'576); 11 assert(1048576 == 0X100000); 12 assert(1048576 == 0x10'0000); 13 assert(1048576 == 0'004'000'000); 14 assert(1048576 == 0B100000000000000000000); 15 assert(1048576 == 0b0001'0000'0000'0000'0000'0000); 16 17 assert(1.602'176'565e-19 == 1.602176565e-19); 18 assert(1.602'176'565e-1'9 == 1.602176565e-19); 19 20 int i = m(1'2)+(3'4); 21 assert(i == 34); 22 } 23