Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/cfg/src/lib.rs')
-rw-r--r--crates/cfg/src/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/crates/cfg/src/lib.rs b/crates/cfg/src/lib.rs
index 3b41de1433..454d6fc538 100644
--- a/crates/cfg/src/lib.rs
+++ b/crates/cfg/src/lib.rs
@@ -131,7 +131,7 @@ impl CfgDiff {
/// of both.
pub fn new(enable: Vec<CfgAtom>, disable: Vec<CfgAtom>) -> Option<CfgDiff> {
let mut occupied = FxHashSet::default();
- if enable.iter().chain(disable.iter()).any(|item| occupied.insert(item)) {
+ if enable.iter().chain(disable.iter()).any(|item| !occupied.insert(item)) {
// was present
return None;
}