langtools/src/jdk.jshell/share/classes/jdk/jshell/TaskFactory.java

*** 80,90 ****
          this.compiler = ToolProvider.getSystemJavaCompiler();
          if (compiler == null) {
              throw new UnsupportedOperationException("Compiler not available, must be run with full JDK 9.");
          }
          Version current = Version.parse(System.getProperty("java.specification.version"));
!         if (INITIAL_SUPPORTED_VER.compareToIgnoreOpt(current) > 0)  {
              throw new UnsupportedOperationException("Wrong compiler, must be run with full JDK 9.");
          }
          this.fileManager = new MemoryFileManager(
                  compiler.getStandardFileManager(null, null, null), state);
      }
--- 80,90 ----
          this.compiler = ToolProvider.getSystemJavaCompiler();
          if (compiler == null) {
              throw new UnsupportedOperationException("Compiler not available, must be run with full JDK 9.");
          }
          Version current = Version.parse(System.getProperty("java.specification.version"));
!         if (INITIAL_SUPPORTED_VER.compareToIgnoreOptional(current) > 0)  {
              throw new UnsupportedOperationException("Wrong compiler, must be run with full JDK 9.");
          }
          this.fileManager = new MemoryFileManager(
                  compiler.getStandardFileManager(null, null, null), state);
      }