{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":".normalize_erasing_regions(self.typing_env,"}]}
                            .normalize_erasing_regions(self.typing_env, dest.ty(self.tcx, args));
                            .tcx
                        if !self.mir_assign_valid_types(src.ty(self.body, self.tcx), dest_ty) {