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// Test variants of for loops.
function f(i, p) {
  for(; i < 10; ) {
    p.x = p.x + 1;
    i = i+1;
  }
}
var o = {x:42};
f(1, o);
assertEquals(51, o.x);


function g(i, p) {
  for(; ; ) {
    if (i == 10) return;
    p.x = p.x + 1;
    i = i+1;
  }
}
o = {x:42};
g(1, o);
assertEquals(51, o.x);


function h(p) {
  for(; p.x < 10; p.x++) {}
}

var o = {x:0};
h(o);
assertEquals(10, o.x);