27 lines
470 B
Rust
27 lines
470 B
Rust
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// revisions: good bad
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//[good] check-pass
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use std::marker::PhantomData;
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use std::ops::Drop;
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struct DropMe<'a, 'b: 'a, 'c: 'b>(PhantomData<&'a ()>, PhantomData<&'b ()>, PhantomData<&'c ()>);
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#[cfg(good)]
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impl<'a, 'b, 'c> Drop for DropMe<'a, 'b, 'c>
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where
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'c: 'a,
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{
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fn drop(&mut self) {}
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}
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#[cfg(bad)]
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impl<'a, 'b, 'c> Drop for DropMe<'a, 'b, 'c>
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where
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'a: 'c,
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//[bad]~^ ERROR `Drop` impl requires `'a: 'c`
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{
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fn drop(&mut self) {}
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}
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fn main() {}
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