Function rustc_query_impl::make_query::default_anon_const_substs

pub fn default_anon_const_substs<'tcx>(
    tcx: QueryCtxt<'tcx>, 
    key: default_anon_const_substs<'tcx>
) -> QueryStackFrame

[query description - consider adding a doc-comment!] computing the default generic arguments for tcx.def_path_str(key)