diff options
Diffstat (limited to 'tests/ui/rfcs/rfc-2091-track-caller/diverging-caller-location.rs')
-rw-r--r-- | tests/ui/rfcs/rfc-2091-track-caller/diverging-caller-location.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2091-track-caller/diverging-caller-location.rs b/tests/ui/rfcs/rfc-2091-track-caller/diverging-caller-location.rs new file mode 100644 index 000000000..668111955 --- /dev/null +++ b/tests/ui/rfcs/rfc-2091-track-caller/diverging-caller-location.rs @@ -0,0 +1,17 @@ +// run-fail + +//! This test ensures that `#[track_caller]` can be applied directly to diverging functions, as +//! the tracking issue says: https://github.com/rust-lang/rust/issues/47809#issue-292138490. +//! Because the annotated function must diverge and a panic keeps that faster than an infinite loop, +//! we don't inspect the location returned -- it would be difficult to distinguish between the +//! explicit panic and a failed assertion. That it compiles and runs is enough for this one. + +#[track_caller] +fn doesnt_return() -> ! { + let _location = core::panic::Location::caller(); + panic!("huzzah"); +} + +fn main() { + doesnt_return(); +} |