The change in commit 30402c7 breaks the tests on AIX. This patch is to change to use the `sed` from AIX Toolbox instead of the default one which does not support `-r` and `-E`.
The change in commit 30402c7 breaks the tests on AIX. This patch is to change to use the `sed` from AIX Toolbox instead of the default one which does not support `-r` and `-E`.