Make sure UnknownFooExpressions are included when referenced as return values in a MultiExpression #3559
+25
−2
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This PR contains:
Are tests included?
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List any relevant issue numbers:
Resolves #3555
Description
Apparently when using a return value of a function that contained conditional expressions and builtin methods, later mutations of that return value would not be tracked properly. This is fixed here. See the examples at #3555.