https://issues.dlang.org/show_bug.cgi?id=12974
--- Comment #4 from safety0ff.bugz <safety0ff.b...@gmail.com> --- (In reply to bearophile_hugs from comment #1) > This seems to pass on my 32 bit system: > > assert((3uL)^^40uL == 12157665459056928801uL); // error A quick check on dpaste suggests that it passes in 2.065 and fails in git. I suspect it's just a const-folding change that enables that line to get CT-evaluated in git versus 2.065 because the other expression fails in both. (In reply to bearophile_hugs from comment #2) > ulong(uint.max) ^^ 40UL is something like: > > 208158641954659548848625708480171133381207412524816152551724014122904182251 > 307912571997657650065254566688428866939275444029732004368372970852338827367 > 264791762120127429330987166710374655101628820795072338450535380344923607954 > 436493529260566657177085349603902288285849258947350283095860468263104249444 > 251291644696840982120081667552033239985460311393336090041066199773922562599 > 18212890625 Typo, the exponent was supposed to be 2uL. Corrected: //CODE: http://dpaste.dzfl.pl/ef7cd3cfd32d import std.math; void main() { ulong uimax = uint.max; assert(uimax^^2uL == 18446744065119617025uL); //passes ulong three = 3uL; assert(three^^40uL == 12157665459056928801uL); // passes assert((cast(ulong)uint.max)^^2uL == 12157665459056928801uL); // error assert((3uL)^^40uL == 12157665459056928801uL); // error } --