tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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inlinestubs.js (1092B)


      1 // rejoining after recompilation from CompileFunction or a native called by an inlined frame.
      2 
      3 var global = 0;
      4 var arr = [
      5           function() { return 0; },
      6           function() { return 1; },
      7           function() { return 2; },
      8           function() { return 3; },
      9           function() { return 4; },
     10           function() { return 5; },
     11           function() { return 6; },
     12           function() { return 7; },
     13           function() { global = -"three"; return 8; }
     14           ];
     15 function wrap_call(i) {
     16  var fn = arr["" + i];
     17  return fn();
     18 }
     19 function foo1() {
     20  var res = 0;
     21  for (var i = 0; i < arr.length; i++) {
     22    res += wrap_call(i);
     23    var expected = (i == arr.length - 1) ? NaN : 10;
     24    assertEq(global + 10, expected);
     25  }
     26 }
     27 foo1();
     28 
     29 var callfn = Function.call;
     30 function wrap_floor(x, y) {
     31  var z = x;
     32  if (y)
     33    z = {}; // trick the compiler into not inlining the floor() call.
     34  return Math.floor(z);
     35 }
     36 
     37 function foo2(x, y) {
     38  var z = 0;
     39  for (var i = 0; i < y; i++)
     40    z = wrap_floor(x + i, false);
     41  assertEq(z + 10, 2147483661);
     42 }
     43 foo2(0x7ffffff0 + .5, 20);