git merge commits/3 commits/4 &&
git branch merge/octopus &&
git commit-graph write --reachable --split &&
- git commit-graph verify &&
+ git commit-graph verify 2>err &&
+ test_line_count = 3 err &&
+ test_i18ngrep ! warning err &&
test_line_count = 3 $graphdir/commit-graph-chain
'