{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"//"}]}
        // means we can't handle opaque types in their defining scope.
        // FIXME(#132279, generic_const_exprs): Using `try_normalize_erasing_regions` here
        EagerlyNormalizeConsts { tcx: fcx.tcx, typing_env: fcx.typing_env(fcx.param_env) }