952     breakpoints: BTreeMap<BreakpointKey, usize>,
957     breakpoint_redirects: BTreeMap<BreakpointKey, BreakpointKey>,
969 struct BreakpointKey(CompiledModuleId, ModulePC);  struct
971 impl BreakpointKey {  implementation
972     fn from_raw(module: &Module, pc: ModulePC) -> BreakpointKey {  in from_raw()  argument
973         BreakpointKey(module.id(), pc)  in from_raw()
1091         let requested_key = BreakpointKey::from_raw(module, pc);  in add_breakpoint()
1092         let actual_key = BreakpointKey::from_raw(module, actual_pc);  in add_breakpoint()
1118         let requested_key = BreakpointKey::from_raw(module, pc);  in remove_breakpoint()
1148     fn apply_single_step<F: Fn(&BreakpointKey) -> bool>(  in apply_single_step()
1158             let key = BreakpointKey::from_raw(&module, wasm_pc);  in apply_single_step()