1N/A# eval within an eval: the outer eval is compiled into the sub, the inner is 1N/A# compiled (by the outer) at runtime and so is subject to runtime opmask 1N/Ais $sub1->(), 2, 'original ref should be unaffected'; 1N/A# setup args for wrap_code_refs_within including nested data 1N/A# Avoid infinite recursion when looking for coderefs