diff options
Diffstat (limited to 'tests/ui/rfc-2091-track-caller/caller-location-fnptr-rt-ctfe-equiv.rs')
-rw-r--r-- | tests/ui/rfc-2091-track-caller/caller-location-fnptr-rt-ctfe-equiv.rs | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tests/ui/rfc-2091-track-caller/caller-location-fnptr-rt-ctfe-equiv.rs b/tests/ui/rfc-2091-track-caller/caller-location-fnptr-rt-ctfe-equiv.rs new file mode 100644 index 000000000..a3bed707e --- /dev/null +++ b/tests/ui/rfc-2091-track-caller/caller-location-fnptr-rt-ctfe-equiv.rs @@ -0,0 +1,32 @@ +// Ensure that a `#[track_caller]` function, returning `caller_location()`, +// which coerced (to a function pointer) and called, inside a `const fn`, +// in turn called, results in the same output irrespective of whether +// we're in a const or runtime context. + +// run-pass +// compile-flags: -Z unleash-the-miri-inside-of-you + +#![feature(core_intrinsics, const_caller_location)] + +type L = &'static std::panic::Location<'static>; + +#[track_caller] +const fn attributed() -> L { + std::intrinsics::caller_location() +} + +const fn calling_attributed() -> L { + // We need `-Z unleash-the-miri-inside-of-you` for this as we don't have `const fn` pointers. + let ptr: fn() -> L = attributed; + ptr() +} + +fn main() { + const CONSTANT: L = calling_attributed(); + let runtime = calling_attributed(); + + assert_eq!( + (runtime.file(), runtime.line(), runtime.column()), + (CONSTANT.file(), CONSTANT.line(), CONSTANT.column()), + ); +} |