[Debug] removed usage of a deprecated class (closes #8992)
merged branch fabpot/DebugClassLoader (PR #8993)

This PR was merged into the master branch.

Discussion
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[Debug] removed usage of a deprecated class (closes #8992)

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8992
| License       | MIT
| Doc PR        | n/a

Commits
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c673c0e [Debug] removed usage of a deprecated class (closes #8992)