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drive-by: assert when iterating through InstantiatedPredicates

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This commit is contained in:
Michael Goulet 2023-01-03 03:38:06 +00:00
parent 9b28edb6d7
commit e1533a26f7
1 changed files with 2 additions and 0 deletions
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2
compiler/rustc_middle/src/ty/mod.rs
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@ -1264,6 +1264,7 @@ impl<'tcx> IntoIterator for InstantiatedPredicates<'tcx> {
type IntoIter = std::iter::Zip<std::vec::IntoIter<Predicate<'tcx>>, std::vec::IntoIter<Span>>;
fn into_iter(self) -> Self::IntoIter {
debug_assert_eq!(self.predicates.len(), self.spans.len());
std::iter::zip(self.predicates, self.spans)
}
}
@ -1277,6 +1278,7 @@ impl<'a, 'tcx> IntoIterator for &'a InstantiatedPredicates<'tcx> {
>;
fn into_iter(self) -> Self::IntoIter {
debug_assert_eq!(self.predicates.len(), self.spans.len());
std::iter::zip(self.predicates.iter().copied(), self.spans.iter().copied())
}
}