{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"//"}]}
    // to instantiate into the signature of the shim. It is not necessary for users of this
    // `FnPtrShim` contains the fn pointer type that a call shim is being built for - this is used
    // MIR body to perform further instantiations (see `InstanceKind::has_polymorphic_mir_body`).