Use ControlFlow::is{break,continue}

compiler/rustc_mir/src/interpret/util.rs

@@ -74,7 +74,7 @@ where
     }
 
     let mut vis = UsedParamsNeedSubstVisitor { tcx };
-    if ty.visit_with(&mut vis) == ControlFlow::BREAK {
+    if ty.visit_with(&mut vis).is_break() {
         throw_inval!(TooGeneric);
     } else {
         Ok(())

compiler/rustc_mir/src/monomorphize/polymorphize.rs

@@ -139,7 +139,7 @@ fn mark_used_by_predicates<'tcx>(
             // predicate is used.
             let any_param_used = {
                 let mut vis = HasUsedGenericParams { unused_parameters };
-                predicate.visit_with(&mut vis) == ControlFlow::BREAK
+                predicate.visit_with(&mut vis).is_break()
             };
 
             if any_param_used {