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Eliminate source of caller_location warnings in kani library #2032

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Dec 22, 2022
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Eliminate source of caller_location warnings in kani library #2032

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8 changes: 7 additions & 1 deletion library/kani/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,13 @@ pub(crate) unsafe fn any_raw_internal<T, const SIZE_T: usize>() -> T {
#[inline(never)]
#[allow(dead_code)]
fn any_raw_inner<T>() -> T {
unimplemented!("Kani any_raw_inner");
// while we could use `unreachable!()` or `panic!()` as the body of this
// function, both cause Kani to produce a warning on any program that uses
// kani::any() (see https://github.com/model-checking/kani/issues/2010).
// This function is handled via a hook anyway, so we just need to put a body
// that rustc does not complain about. An infinite loop works out nicely.
#[allow(clippy::empty_loop)]
loop {}
}

/// Function used to generate panic with a static message as this is the only one currently
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