A flaw was found in zsh prior 5.4.2. There is a null-pointer deref when using ${(PA)...} on an empty array result. References: https://sourceforge.net/p/zsh/code/ci/110b13e1090bc31ac1352b28adc2d02b6d25a102
Created zsh tracking bugs for this issue: Affects: fedora-all [bug 1549842]
(In reply to Laura Pardo from comment #0) > A flaw was found in zsh prior 5.4.2 The commit you refer to landed _after_ the 5.4.2 release of zsh and it has not been included in any stable release of zsh yet.