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  1. Core Server
  2. SERVER-23713

Aggregation numeric ops rely on undefined signed overflow and numeric coercion

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    • Backwards Compatibility:
      Minor Change
    • Operating System:
      ALL
    • Steps To Reproduce:
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      Run the aggregation unit tests under the undefined behavior sanitizer. Note that we are planning to blacklist these files from UBSAN, so you may need to remove the entries from the etc/ubsan.blacklist file and force a recompile.

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      Run the aggregation unit tests under the undefined behavior sanitizer. Note that we are planning to blacklist these files from UBSAN, so you may need to remove the entries from the etc/ubsan.blacklist file and force a recompile.

      Description

      There are several errors in the Expression and Accumulators for numeric operations that are exposed when running the tests under the undefined behavior sanitizer.

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