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https://issues.apache.org/jira/browse/IMPALA-12306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on IMPALA-12306 started by Daniel Becker.
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> Make
> TestCodegenCache.{test_codegen_cache_with_asm_module_dir,test_codegen_cache_with_perf_map}
> more robust
> -----------------------------------------------------------------------------------------------------------
>
> Key: IMPALA-12306
> URL: https://issues.apache.org/jira/browse/IMPALA-12306
> Project: IMPALA
> Issue Type: Bug
> Reporter: Daniel Becker
> Assignee: Daniel Becker
> Priority: Major
>
> The tests
> TestCodegenCache.{test_codegen_cache_with_asm_module_dir,test_codegen_cache_with_perf_map}
> introduced by
> [IMPALA-12260|http://issues.apache.org/jira/browse/IMPALA-12260] were added
> to ensure we don't crash because of a use-after-free. However, use-after-free
> is undefined behaviour and does not guarantee a crash, so the tests don't
> necessarily crash without the fix of
> [IMPALA-12260|http://issues.apache.org/jira/browse/IMPALA-12260]. We should
> find a way to make these tests detect the conditions that lead to this
> use-after-free.
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