test/mjsunit/break.js

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function f() {
  var i = 10;
  var c = 0;
  while (i-- > 0) {
    c++;
    if (i == 5) ;
  }
  assertEquals(10, c);
}
f();


function f2() {
  var i = 10;
  var c = 0;
  while (i-- > 0) {
    c++;
    if (i == 5) break;
  }
  assertEquals(5, c);
}
f2();


function f3() {
  var i = 10;
  var c = 0;
  outer: while (i-- > 0) {
    var j = 10;
    inner1: inner2: inner3: while (j-- > 0) {
      c++;
      if (i == 8)
        break inner2;
      if (i == 6)
        break outer;
    }
  }
  assertEquals(22, c);
}
f3();

outer2: {
  break outer2;
  assertUnreachable();
}


outer3: break outer3;  // nop
l1: l2: l3: break l2;  // nop