Submatrix ../dist/threads/t/free.t

List of failing smokes by test.
Version Git-id Report OS
5.28.0 v5.28.0-RC1-5-g35573a3609 66101 netbsd - 7.1.2
5.28.0 v5.28.0-RC2-2-g197e7984e9 66591 linux - 4.4.132-53-default [openSUSE Leap 42.3]
5.28.0 v5.27.11-18-g5dbe8f0a91 65401 dragonfly - 5.2-RELEASE