You can use the "Commit graph" feature in FishEye - open your repository, select 'Commit graph' tab and select Highlight > Reviewed changesets. You can also use Highlight > JIRA issues.
We approach this same question slightly differently, looking for unreviewed commits on a branch, which allows us to verify that all commits are reviewed prior to merging the branch.
However, I needed to write a plugin to effectively get this information, it's available on the marketplace:
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