Ast.ComplexCallHelper()

Something I ran into yesterday: There are two variants to Ast.ComplexCallHelper() in the DLR: One takes a MethodInfo and the other a Delegate as the invocation target.

The MethodInfo variant does not check for the presence of a CodeContext argument, while the Delegate version handles this correctly. Not quite sure why the discrepancy between the two, but sure looks like using the Delegate variant is a better choice for now.