constexpr if error removed

4 jobs for issue/mixed_type_fieldmatvec in 27 minutes and 33 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #8412
debian:10 clang-6-libcpp-17

00:27:32

passed #8411
debian:10 gcc-8-17

00:17:32

passed #8413
debian:9 gcc-6-14

00:18:36

passed #8414
ubuntu:18.04 clang-6-17

00:26:03