[bug] Globbing fails with execute-only directory in path

[Tatsuyuki Ishi <ishitatsuyuki@xxxxxxxxx>]

Globs fail to work when one of the directory component is execute-only
(not readable). This is the case on Android (/data/data/ is execute
only so each app can be isolated).

Reproduction steps:

mkdir -p data/app
chmod 111 data
touch data/app/{a,b}
ls data/app/*

Actual results (zsh 5.4.2):

zsh: no matches found: data/app/*

Expected results (bash):

data/app/a  data/app/b