test/testlibrary/jittester/src/jdk/test/lib/jittester/factories/BinaryStringPlusFactory.java

*** 36,48 ****
          super(OperatorKind.STRADD, complexityLimit, operatorLimit, ownerClass, resultType, exceptionSafe, noconsts);
      }
  
      @Override
      protected boolean isApplicable(Type resultType) {
!         return resultType.equals(TypeList.find("java.lang.String"));
          }
  
      @Override
!     protected Pair<Type, Type> generateTypes() throws ProductionFailedException {
          return new Pair<>(resultType, resultType);
      }
  }
--- 36,48 ----
          super(OperatorKind.STRADD, complexityLimit, operatorLimit, ownerClass, resultType, exceptionSafe, noconsts);
      }
  
      @Override
      protected boolean isApplicable(Type resultType) {
!         return resultType.equals(TypeList.STRING);
      }
  
      @Override
!     protected Pair<Type, Type> generateTypes() {
          return new Pair<>(resultType, resultType);
      }
  }