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https://issues.apache.org/jira/browse/GEODE-5067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan McMahon resolved GEODE-5067.
---------------------------------
    Resolution: Fixed

> Failed dynamic_cast when visibility is set to hidden on Clang
> -------------------------------------------------------------
>
>                 Key: GEODE-5067
>                 URL: https://issues.apache.org/jira/browse/GEODE-5067
>             Project: Geode
>          Issue Type: Bug
>          Components: native client
>            Reporter: Ryan McMahon
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> The testThinClientBigValue test is failing due to issues with Clang and the 
> cmake 'CXX_VISIBILITY_PRESET hidden' setting.  It appears Clang does not 
> propagate visibility attributes through using statements i.e.
> ```
> using CacheableBytes = CacheableArray<int8_t, GeodeTypeIds::CacheableBytes>;
> ```
> Despite CacheableArray and its base class Serializable being decorated with 
> APACHE_GEODE_EXPORT, dynamic_casts appear to fail. 



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