update the since field to 1.12.0 for String AddAssign

rust-lang · Jul 18, 2016 · cac58ab · cac58ab
1 parent 6a09df9
commit cac58ab
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs
@@ -1559,7 +1559,7 @@ impl<'a> Add<&'a str> for String {
     }
 }
 
-#[stable(feature = "rust1", since = "1.11.0")]
+#[stable(feature = "rust1", since = "1.12.0")]
 impl<'a> AddAssign<&'a str> for String {
     #[inline]
     fn add_assign(&mut self, other: &str) {