New upstream version 1.60.0+dfsg1

[rustc.git] / compiler / rustc_middle / src / mir / graph_cyclic_cache.rs

diff --git a/compiler/rustc_middle/src/mir/graph_cyclic_cache.rs b/compiler/rustc_middle/src/mir/graph_cyclic_cache.rs
index 5f028975bd0e31ad0d67197ec0d3f79441014b01..e2f3d6e078f9767f93a38bb2110496f9aeb2eb17 100644 (file)
--- a/compiler/rustc_middle/src/mir/graph_cyclic_cache.rs
+++ b/compiler/rustc_middle/src/mir/graph_cyclic_cache.rs
@@ -45,8 +45,9 @@ impl<S: serialize::Encoder> serialize::Encodable<S> for GraphIsCyclicCache {
 
 impl<D: serialize::Decoder> serialize::Decodable<D> for GraphIsCyclicCache {
     #[inline]
-    fn decode(d: &mut D) -> Result<Self, D::Error> {
-        serialize::Decodable::decode(d).map(|_v: ()| Self::new())
+    fn decode(d: &mut D) -> Self {
+        let () = serialize::Decodable::decode(d);
+        Self::new()
     }
 }