[commit: ghc] master: CircleCI: Add configurations for Centos 7 and Debian 9 (6eab7cd)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/6eab7cda23b5421895cd0ecb06d637e2fa054154/ghc

>---------------------------------------------------------------

commit 6eab7cda23b5421895cd0ecb06d637e2fa054154
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Fri Dec 7 20:23:58 2018 -0500

    CircleCI: Add configurations for Centos 7 and Debian 9


>---------------------------------------------------------------

6eab7cda23b5421895cd0ecb06d637e2fa054154
 .circleci/config.yml                               | 176 +++++++++++++++------
 .../{i386-linux => i386-linux-deb8}/Dockerfile     |   0
 .circleci/images/update-image                      |  14 +-
 .../Dockerfile                                     |  10 +-
 .../{x86_64-linux => x86_64-linux-deb8}/Dockerfile |   0
 .../{x86_64-linux => x86_64-linux-deb9}/Dockerfile |   6 +-
 .../Dockerfile                                     |   0
 .gitlab-ci.yml                                     |   6 +-
 8 files changed, 148 insertions(+), 64 deletions(-)

Diff suppressed because of size. To see it, use:

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc 6eab7cda23b5421895cd0ecb06d637e2fa054154