[Pharo 8.0] Build #514: ifNil usage on Polymorph package

There is a new Pharo build available!
 
The status of the build #514 was: SUCCESS.

The Pull Request #3980 was integrated: "ifNil usage on Polymorph package"
Pull request url: https://github.com/pharo-project/pharo/pull/3980

Issue Url: https://github.com/pharo-project/pharo/issues/ifNilOnPolymorph
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/Pharo8.0/514/