syntax_data: {"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"body.local_decls[SELF_ARG]"}]}
source_snippet:     body.local_decls[SELF_ARG] =
context_before:     // Change the coroutine argument from &mut to *mut
context_after:         LocalDecl::with_source_info(Ty::new_mut_ptr(tcx, coroutine_ty), source_info);