Bless incremental test.

Author: cjgillot

tests/incremental/hashes/function_interfaces.rs

@@ -320,7 +320,7 @@ pub fn change_return_impl_trait() -> impl Clone {
 #[cfg(not(any(cfail1,cfail4)))]
 #[rustc_clean(cfg = "cfail2")]
 #[rustc_clean(cfg = "cfail3")]
-#[rustc_clean(cfg = "cfail5", except = "typeck")]
+#[rustc_clean(cfg = "cfail5")]
 #[rustc_clean(cfg = "cfail6")]
 pub fn change_return_impl_trait() -> impl  Copy {
     0u32