{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"bx.tcx.normalize_erasing_regions(bx.typing_env(),"}]}
                    bx.tcx.normalize_erasing_regions(bx.typing_env(), ty)
                let metadata = p_ty.ptr_metadata_ty(bx.tcx, |ty| {
                });