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https://issues.apache.org/jira/browse/GROOVY-6787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15069401#comment-15069401
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ASF GitHub Bot commented on GROOVY-6787:
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Github user asfgit closed the pull request at:
https://github.com/apache/groovy/pull/221
> type checker does not check generics bounds of wildcards properly
> -----------------------------------------------------------------
>
> Key: GROOVY-6787
> URL: https://issues.apache.org/jira/browse/GROOVY-6787
> Project: Groovy
> Issue Type: Bug
> Components: Static Type Checker
> Affects Versions: 2.2.2, 2.3.0, 2.4.0-rc-1
> Reporter: Jochen Theodorou
>
> {code:Java}
> public <T extends List<CharSequence>> void bar(T a){}
> bar([new Object()])
> {code}
> This should not compile because Object is no CharSequence, but it does,
> because the type checker will simply ignore the bound and set T to
> LinkedList<Object>
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