Constantine Plotnikov created GROOVY-8837:
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Summary: Invalid type inference for redefined generic boundaries
Key: GROOVY-8837
URL: https://issues.apache.org/jira/browse/GROOVY-8837
Project: Groovy
Issue Type: Bug
Components: Compiler
Affects Versions: 2.5.2
Reporter: Constantine Plotnikov
Attachments: groovy-bug-generic-extension.zip
Static compiler incorrectly calculates type boundary for chain calls with
generic types. When method is called, it takes boundary defined in the method
of the class (Base in sample), instead of the boundary redefined in subclass
(SubClass in sample).
The bug was discovered when working with Lombok SuperBuilder generated classes
from Groovy. The attached project demonstrate the bug on the smaller sample.
Note that Java test infers type correctly, but groovy does not. However, the
groovy test works when CompileStatic annotation is disabled.
IDEA also shows red code here, but it possibly follows Groovy logic.
The bug also affects earlier versions.
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