use exactly one of virtual, override, or final.

4 jobs for issue/virtual_override_final in 35 minutes and 3 seconds (queued for 4 minutes and 6 seconds)
Status Job ID Name Coverage
  Test
passed #8525
debian:10 clang-6-libcpp-17

00:30:13

passed #8524
debian:10 gcc-8-17

00:21:11

passed #8526
debian:9 gcc-6-14

00:22:16

passed #8527
ubuntu:18.04 clang-6-17

00:27:51