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https://issues.apache.org/jira/browse/GROOVY-10702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Milles resolved GROOVY-10702.
----------------------------------
    Fix Version/s: 6.0.0-alpha-1
       Resolution: Fixed

https://github.com/apache/groovy/commit/af72676fda22f601c7197260b8df9bd17ff301a3
https://github.com/apache/groovy/commit/9b3eeb9e22da47c5650a187fcb8e1b23936321e5

> STC: no error for multiple instanceof and sparse method call
> ------------------------------------------------------------
>
>                 Key: GROOVY-10702
>                 URL: https://issues.apache.org/jira/browse/GROOVY-10702
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static compilation, Static Type Checker
>            Reporter: Eric Milles
>            Assignee: Eric Milles
>            Priority: Minor
>             Fix For: 6.0.0-alpha-1
>
>
> Consider the following:
> {code:groovy}
> @groovy.transform.TypeChecked void test(o) {
>   o instanceof Map || o instanceof List ? o.entrySet() : null
> }
> {code}
> "entrySet" is available from {{Map}} but not from {{List}}, so the 
> expectation is a STC error to guard against the MissingMethodException for 
> STC or ClassCastException for SC when a list is given.



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