> rustc 1.61.0-nightly (285fa7ecd 2022-03-14) ```rust #[track_caller] macro_rules! _foo { () => {}; } fn main() { } ``` ``` error: internal compiler error: compiler/rustc_typeck/src/collect.rs:1978:13: unexpected sort of node in fn_sig() ``` <!-- TRIAGEBOT_START --> <!-- TRIAGEBOT_ASSIGN_START --> <!-- TRIAGEBOT_ASSIGN_DATA_START$${"user":"c410-f3r"}$$TRIAGEBOT_ASSIGN_DATA_END --> <!-- TRIAGEBOT_ASSIGN_END --> <!-- TRIAGEBOT_END -->
