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Fix bug in from_key_hashed_nocheck

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This commit is contained in:
John Kåre Alsaker 2018-12-06 14:23:29 +01:00
parent 128a1fa4e1
commit 7df4b812f0
1 changed files with 4 additions and 0 deletions
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4
src/libstd/collections/hash/map.rs
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@ -11,6 +11,7 @@
use self::Entry::*;
use self::VacantEntryState::*;
use intrinsics::unlikely;
use collections::CollectionAllocErr;
use cell::Cell;
use borrow::Borrow;
@ -1992,6 +1993,9 @@ impl<'a, K, V, S> RawEntryBuilder<'a, K, V, S>
fn search<F>(self, hash: u64, is_match: F, compare_hashes: bool) -> Option<(&'a K, &'a V)>
where F: FnMut(&K) -> bool
{
if unsafe { unlikely(self.map.table.size() == 0) } {
return None;
}
match search_hashed_nonempty(&self.map.table,
SafeHash::new(hash),
is_match,