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re2 is extensively used by ClickHouse and (indirectly) subject to our large-scale unit/component/integration testing. We recently ran across a sporadic thread sanitizer assert (ClickHouse/ClickHouse#54623, abbreviated stack below), which we first thought could be related to re2. Turned out, it is an open issue with absl's synchronization (google/sanitizers#953). re2 recently moved from its own lock implementation to abseil's locking. Since I could not find this issue in re2's GitHub and because other users might run into similar issues, allow me to register it here + immediately close the report.
re2 is extensively used by ClickHouse and (indirectly) subject to our large-scale unit/component/integration testing. We recently ran across a sporadic thread sanitizer assert (ClickHouse/ClickHouse#54623, abbreviated stack below), which we first thought could be related to re2. Turned out, it is an open issue with absl's synchronization (google/sanitizers#953). re2 recently moved from its own lock implementation to abseil's locking. Since I could not find this issue in re2's GitHub and because other users might run into similar issues, allow me to register it here + immediately close the report.
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