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https://issues.apache.org/jira/browse/GROOVY-10130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Milles resolved GROOVY-10130.
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Resolution: Fixed
https://github.com/apache/groovy/commit/2af61e80a51d55dfb27abe217e91a7bbcad0fba5
> Flow typing does not work when && is combinded with instanceof
> --------------------------------------------------------------
>
> Key: GROOVY-10130
> URL: https://issues.apache.org/jira/browse/GROOVY-10130
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation, Static Type Checker
> Reporter: Stefanos Chaliasos
> Assignee: Eric Milles
> Priority: Major
>
> I have the following Groovy program.
> {code:groovy}
> @groovy.transform.TypeChecked
> class Test {
> public void foo(Foo x) {
> ((true && x instanceof Bar)) ? new Bar[]{x} : null
> }
> }
> class Foo {}
> class Bar extends Foo {}
> {code}
> h2. Actual Behavior
> The program does not compile, and I get the following error.
> {code:java}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
> failed:
> Test.groovy: 4: [Static type checking] - Cannot convert from Foo to Bar
> @ line 4, column 46.
> instanceof Bar)) ? new Bar[]{x} : null
> ^
> 1 error
> {code}
> h2. Expected Behavior
> Compile successfully.
> h2. Comment
> This should be a regression bug because it works with 3.0.8 and 4.0.0-alpha-3.
> h2. Affected Version
> This programs have been tested with the compiler from the master (commit:
> 8ea882a587ce3183c95ea1bc19dfc44367dc292e).
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