Noticed the following during make (after ./Configure aix64-cc):
cc -DMONOLITH -I.. -I../include -DOPENSSL_THREADS -qthreaded -DDSO_DLFCN -DHAVE_DLFCN_H -q64 -O -DB_ENDIAN -qmaxmem=16384 -qro -qroconst -c ca.c "ca.c", line 1297.59: 1506-1298 (W) The subscript 256 is out of range. The valid range is 0 to 255.