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https://issues.apache.org/jira/browse/FLEX-34389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14059368#comment-14059368
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Mei Xue commented on FLEX-34389:
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Yes. This issue is in Flex 4.6 too.
> Different behaviour when binding to [email protected]().length and
> [email protected]().length
> -----------------------------------------------------------------------------------------------------------------------
>
> Key: FLEX-34389
> URL: https://issues.apache.org/jira/browse/FLEX-34389
> Project: Apache Flex
> Issue Type: Bug
> Components: .Unspecified - Compiler, Data Binding
> Affects Versions: Apache Flex 4.11.0, Apache Flex 4.12.1
> Reporter: Mei Xue
> Labels: easytest
> Attachments: keepFlagTestFlex3.mxml, keepFlagTestFlex4.mxml
>
>
> In Flex 4 (4.12.1 and 4.11.0), binding to
> [email protected]().length works if compile the application
> with keep-generated-actionscript flag. Otherwise, it gives this runtime error
> (_testXml is the xml data and keepFlagTest is the application):
> ReferenceError: Error #1069: Property _testXml not found on keepFlagTest and
> there is no default value.
> at _keepFlagTestWatcherSetupUtil/setup() ...
> Note that binding to [email protected]().length works in Flex
> 3 (3.3) and binding to [email protected]().length works in both
> Flex 3 (3.3) and Flex 4 (4.12.1 and 4.11.0).
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