Daniel Becker created IMPALA-12306:
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Summary: 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
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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