memo->u3.cnt is long not int [Bug #14805]
enum.c: mitigate overflows
* enum.c (enum_count): convert counters to Integer as unsigned
long, instead of long, to mitigate overflows.
[ruby-core:87348] [Bug #14805]
* enum.c (ary_inject_op): ditto.
* enum.c (each_with_index_i): ditto, instead of int.
* enum.c (find_index_i, find_index_iter_i): ditto, instead of
unsigned int.
enum.c: bignum counter
* enum.c (imemo_count_up, imemo_count_value): promote the counter
value to a bignum on overflow. [Bug #14805]
merge revision(s) 63549,63551,63554: [Backport #14805]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@64125 b2dd03c8-39d4-4d8f-98ff-823fe69b080e