This bug has been copied from bug #1733709 and has been proposed to be backported to 7.7 z-stream (EUS).
When running the newest test from 1.20
it passes together with other tests.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.