{"ast_node_type":"other","tokens":[{"end":3,"kind":"keyword","start":0,"text":"//!"}]}
//!
//!     fn0 = colocated u0:23 sig0 ; Instance { def: Item(DefId(0:46 ~ example[3895]::{impl#1}::call_mut)), args: ['{erased}, '{erased}] }
//! block0(v0: i64):