Fix VecMap Extend impl

oli-obk · oli-obk · commit 692f63803683 · 2021-07-13T15:05:29.000Z
diff --git a/compiler/rustc_data_structures/src/vec_map.rs b/compiler/rustc_data_structures/src/vec_map.rs
@@ -127,13 +127,15 @@ impl<K, V> IntoIterator for VecMap<K, V> {
     }
 }
 
-impl<K, V> Extend<(K, V)> for VecMap<K, V> {
+impl<K: PartialEq, V> Extend<(K, V)> for VecMap<K, V> {
     fn extend<I: IntoIterator<Item = (K, V)>>(&mut self, iter: I) {
-        self.0.extend(iter);
+        for (k, v) in iter {
+            self.insert(k, v);
+        }
     }
 
-    fn extend_one(&mut self, item: (K, V)) {
-        self.0.extend_one(item);
+    fn extend_one(&mut self, (k, v): (K, V)) {
+        self.insert(k, v);
     }
 
     fn extend_reserve(&mut self, additional: usize) {

Original file line number	Diff line number	Diff line change
`@@ -127,13 +127,15 @@ impl<K, V> IntoIterator for VecMap<K, V> {`
`127`	`127`	`}`
`128`	`128`	`}`
`129`	`129`
`130`		`-impl<K, V> Extend<(K, V)> for VecMap<K, V> {`
	`130`	`+impl<K: PartialEq, V> Extend<(K, V)> for VecMap<K, V> {`
`131`	`131`	`fn extend<I: IntoIterator<Item = (K, V)>>(&mut self, iter: I) {`
`132`		`- self.0.extend(iter);`
	`132`	`+ for (k, v) in iter {`
	`133`	`+ self.insert(k, v);`
	`134`	`+ }`
`133`	`135`	`}`
`134`	`136`
`135`		`- fn extend_one(&mut self, item: (K, V)) {`
`136`		`- self.0.extend_one(item);`
	`137`	`+ fn extend_one(&mut self, (k, v): (K, V)) {`
	`138`	`+ self.insert(k, v);`
`137`	`139`	`}`
`138`	`140`
`139`	`141`	`fn extend_reserve(&mut self, additional: usize) {`