macOs core dump

[yeshenyong]

g++ sdc_impl.cpp -I./ -std=c++11 -mavx2 会coredump

[rbe] prepare train/databse/query set 224 n: 200 total number:224 lack num:24 bit_num:256 code8_nums:32 col_num:32 row_num:32 [1] 85060 segmentation fault ./a.out