tweak

Author: hcoles

pitest-entry/src/main/java/org/pitest/mutationtest/build/intercept/RegionInterceptor.java

@@ -36,8 +36,9 @@ public void begin(ClassTree clazz) {
     @Override
     public Collection<MutationDetails> intercept(
             Collection<MutationDetails> mutations, Mutater m) {
+        var predicate = buildPredicate().negate();
         return mutations.stream()
-                .filter(buildPredicate().negate())
+                .filter(predicate)
                 .collect(Collectors.toList());
     }