nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-28 17:53:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

BTreeMap: detect bulk_steal's count-1 underflow in release builds too

Browse Source
This commit is contained in:
Stein Somers 2020-11-23 14:41:53 +01:00
parent 4c5c4aa002
commit ad75a96b34
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
library/alloc/src/collections/btree/node.rs
View File

@ -1469,6 +1469,7 @@ impl<'a, K: 'a, V: 'a> BalancingContext<'a, K, V> {
/// This does stealing similar to `steal_left` but steals multiple elements at once.
pub fn bulk_steal_left(&mut self, count: usize) {
assert!(count > 0);
unsafe {
let left_node = &mut self.left_child;
let old_left_len = left_node.len();
@ -1526,6 +1527,7 @@ impl<'a, K: 'a, V: 'a> BalancingContext<'a, K, V> {
/// The symmetric clone of `bulk_steal_left`.
pub fn bulk_steal_right(&mut self, count: usize) {
assert!(count > 0);
unsafe {
let left_node = &mut self.left_child;
let old_left_len = left_node.len();