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From "Paul King (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GROOVY-8336) Static compilation requires casting inside instanceof check (additional cases)
Date Sun, 01 Oct 2017 05:55:01 GMT
Paul King created GROOVY-8336:
---------------------------------

             Summary: Static compilation requires casting inside instanceof check (additional
cases)
                 Key: GROOVY-8336
                 URL: https://issues.apache.org/jira/browse/GROOVY-8336
             Project: Groovy
          Issue Type: Bug
          Components: Compiler
    Affects Versions: 2.4.12
         Environment: macOS JDK 1.8
            Reporter: James Kleeh
            Assignee: Paul King
             Fix For: 2.4.13


There are many times I find myself having to cast variables directly inside an {{instanceof
Class}} check.

In addition, I have found a specific problem with a generic {{<T extends SomeClass>}}
where a method in the class that returns {{T}}, Groovy believes a collection is being returned.
This is the line in question: https://github.com/grails/gorm-graphql/blob/ea6887bef0ced75d9cc0d01dc7b94d4fc0520266/core/src/main/groovy/org/grails/gorm/graphql/fetcher/impl/EntityDataFetcher.groovy#L45

The goal of this issue is to have the following codebase compile without changes.

{{git clone -b broken_compilation https://github.com/grails/gorm-graphql}}

Attempt to compile with {{./gradlew clean classes}}



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