regression: "no matching function for call to 'isomorphism_with_named_params'" since 1.71.0

[mgehre]

My code using boost::graph::isomorphism(g1, g2) works with boost 1.70.0 but fails to compile with boost 1.71.0. I'm using clang 9.

For a reproducer, see https://godbolt.org/z/bysaYi