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Diffstat (limited to 'library/alloc/src/vec/mod.rs')
| -rw-r--r-- | library/alloc/src/vec/mod.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index 2a83eb33fe3..1ca194c3361 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -990,6 +990,9 @@ impl<T, A: Allocator> Vec<T, A> { // such that no value will be dropped twice in case `drop_in_place` // were to panic once (if it panics twice, the program aborts). unsafe { + // Note: It's intentional that this is `>` and not `>=`. + // Changing it to `>=` has negative performance + // implications in some cases. See #78884 for more. if len > self.len { return; } |