10.1/storage/xtradb/log/log0crypt.cc: In function 'Crypt_result log_blocks_crypt(const unsigned char*, ulint, unsigned char*, bool)':

10.1/storage/xtradb/log/log0crypt.cc:188:3: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]

10.1/storage/xtradb/log/log0crypt.cc: In function 'void log_crypt_write_checkpoint_buf(unsigned char*)':

10.1/storage/xtradb/log/log0crypt.cc:445:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]

10.1/storage/innobase/log/log0crypt.cc: In function 'Crypt_result log_blocks_crypt(const unsigned char*, ulint, unsigned char*, bool)':

10.1/storage/innobase/log/log0crypt.cc:188:3: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]