2022年9月30日(金) 19:37 Emanuele Torre <torreemanue...@gmail.com>: > In bash-5.2, using the ${parameter@Q} parameter expansion with an unset > parameter, in an array subscript, in an arithmetic context, causes a > segmentation fault.
It seems even ((y[$a])) in arithmetic contexts causes a segfault: $ bash-5.2 -c '((y[$a]))' Segmentation fault (core dumped) -- Koichi