syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"body_def.coverage_attr_on(tcx.coverage_attr_on(coroutine_def_id));"}]}
source_snippet:     body_def.coverage_attr_on(tcx.coverage_attr_on(coroutine_def_id));
context_before:     body_def.codegen_fn_attrs(tcx.codegen_fn_attrs(coroutine_def_id).clone());
context_after:     body_def.constness(tcx.constness(coroutine_def_id));