test/langtools/tools/javac/diags/examples/SwitchRules.java

*** 21,31 ****
   * questions.
   */
  
  // key: compiler.misc.feature.switch.rules
  // key: compiler.warn.preview.feature.use.plural
! // options: --enable-preview -source 12 -Xlint:preview
  
  class SwitchExpressions {
      void m(int i) {
          switch (i) {
              default -> { break; }
--- 21,31 ----
   * questions.
   */
  
  // key: compiler.misc.feature.switch.rules
  // key: compiler.warn.preview.feature.use.plural
! // options: --enable-preview -source 13 -Xlint:preview
  
  class SwitchExpressions {
      void m(int i) {
          switch (i) {
              default -> { break; }