1 WarnWrongYieldTest.java:39:11: compiler.warn.restricted.type.not.allowed.preview: yield, 13
   2 WarnWrongYieldTest.java:45:5: compiler.warn.restricted.type.not.allowed.preview: yield, 13
   3 WarnWrongYieldTest.java:72:15: compiler.warn.restricted.type.not.allowed.preview: yield, 13
   4 WarnWrongYieldTest.java:75:15: compiler.warn.restricted.type.not.allowed.preview: yield, 13
   5 WarnWrongYieldTest.java:81:21: compiler.warn.restricted.type.not.allowed.preview: yield, 13
   6 WarnWrongYieldTest.java:93:9: compiler.warn.invalid.yield
   7 WarnWrongYieldTest.java:98:9: compiler.warn.invalid.yield
   8 WarnWrongYieldTest.java:103:9: compiler.warn.invalid.yield
   9 WarnWrongYieldTest.java:108:9: compiler.warn.invalid.yield
  10 WarnWrongYieldTest.java:113:9: compiler.warn.invalid.yield
  11 WarnWrongYieldTest.java:118:9: compiler.warn.invalid.yield
  12 WarnWrongYieldTest.java:123:22: compiler.warn.invalid.yield
  13 WarnWrongYieldTest.java:152:24: compiler.warn.invalid.yield
  14 WarnWrongYieldTest.java:164:18: compiler.warn.restricted.type.not.allowed.preview: yield, 13
  15 WarnWrongYieldTest.java:168:23: compiler.warn.restricted.type.not.allowed.preview: yield, 13
  16 WarnWrongYieldTest.java:34:28: compiler.warn.illegal.ref.to.restricted.type: yield
  17 WarnWrongYieldTest.java:45:5: compiler.warn.illegal.ref.to.restricted.type: yield
  18 WarnWrongYieldTest.java:168:23: compiler.warn.illegal.ref.to.restricted.type: yield
  19 WarnWrongYieldTest.java:72:9: compiler.warn.illegal.ref.to.restricted.type: yield
  20 WarnWrongYieldTest.java:75:9: compiler.warn.illegal.ref.to.restricted.type: yield
  21 WarnWrongYieldTest.java:75:24: compiler.warn.illegal.ref.to.restricted.type: yield
  22 WarnWrongYieldTest.java:78:25: compiler.warn.illegal.ref.to.restricted.type: yield
  23 WarnWrongYieldTest.java:81:15: compiler.warn.illegal.ref.to.restricted.type: yield
  24 WarnWrongYieldTest.java:81:30: compiler.warn.illegal.ref.to.restricted.type: yield
  25 WarnWrongYieldTest.java:84:27: compiler.warn.illegal.ref.to.restricted.type: yield
  26 WarnWrongYieldTest.java:84:43: compiler.warn.illegal.ref.to.restricted.type: yield
  27 WarnWrongYieldTest.java:153:24: compiler.warn.illegal.ref.to.restricted.type: yield
  28 WarnWrongYieldTest.java:164:18: compiler.warn.illegal.ref.to.restricted.type: yield
  29 28 warnings