id summary reporter owner description type status milestone component version severity resolution keywords cc 2975 in boost::unordered, incorrect prime_list_template::length Jeffrey Hellrung Daniel James "In boost/unordered/detail/hash_table.hpp, line 89-90, there is the definition template std::ptrdiff_t const prime_list_template::length = 28; I believe 28 should be 40 (the number of primes in prime_list_template::value[])...? Otherwise, it seems resizing your hash table past 1.5 million buckets does no good... Sorry if this has already been reported, but I couldn't find anything when searching the bug tracker." Bugs closed Boost 1.39.0 unordered Boost 1.38.0 Problem fixed