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[release/9.0-staging] Process Coalesce-simplified Convert node properly in funcletizer#35721
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AndriySvyryd approved these changesMar 3, 2025
Fixesdotnet#35656(cherry picked from commitc54f51d)
7cbf9ce intodotnet:release/9.0-staging 7 checks passed
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This was referencedJul 22, 2025
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Backports#35657
Fixes#35656
Description
The expression tree funcletizer - an important query component - was rewritten in EF 9.0 for NativeAOT support and for better performance. Unfortunately, some bugs were introduced in the process.
Customer impact
In some scenarios, when a coalesce operator is used in a query with a nullable value type, an exception is thrown.
How found
Reported by a user against 9.
Regression
Yes.
Testing
Added test
Risk
Very low - very minimal change; added quirk.