Force jit for goldilocks.

Author: chriseth

executor/src/witgen/machines/block_machine.rs

@@ -474,7 +474,10 @@ impl<'a, T: FieldElement> BlockMachine<'a, T> {
             return Ok(updates);
         }
 
-        return Ok(EvalValue::incomplete(IncompleteCause::SolvingFailed));
+        if T::known_field() == Some(powdr_number::KnownField::GoldilocksField) {
+            // We force JIT for goldilocks only for now.
+            return Ok(EvalValue::incomplete(IncompleteCause::SolvingFailed));
+        }
 
         let outer_query = OuterQuery::new(
             arguments,