There were no merge conflicts using this method.
$ git log --graph --decorate --format=oneline --abbrev-commit --all
* f33af42 (HEAD -> master, origin/master, origin/HEAD) Merge pull request #6 from dfrnswrth/branch5
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| * 93ab6e5 branch 5
* | 2c42816 Merge pull request #5 from dfrnswrth/revert-4-branch4__pr_will_be_reverted
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| * | ddb983e Revert "branch 4"
|/ /
* | 0cab7ef Merge pull request #4 from dfrnswrth/branch4__pr_will_be_reverted
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| * | 14b6f4b branch 4
| |/
* | abc9758 Merge pull request #3 from dfrnswrth/branch3__from_branch2
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| * | 82b6c16 branch 3, created from branch 2
* | | 407ca54 Merge pull request #2 from dfrnswrth/branch2
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| |/ /
| * | dc558f2 branch 2
| |/
* | 1988328 Merge pull request #1 from dfrnswrth/branch1
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| |/
|/|
| * e4c4885 branch 1
|/
* f23cea3 initial commit - create README.md