tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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bug-885067-2.js (645B)

      1 // deoptimize `arguments` in the arrow's closest enclosing non-arrow-function
      2 
      3 // non-arrow-function -> arrow function
      4 a = 0;
      5 (function() {
      6    a = (() => eval("arguments"))();
      7 })(1, 2, 3, 4);
      8 assertEq(a.length, 4);
      9 
     10 // non-arrow-function -> arrow function -> arrow function
     11 a = 0;
     12 (function() {
     13    (() => {
     14        a = (() => eval("arguments"))();
     15    })();
     16 })(1, 2, 3, 4);
     17 assertEq(a.length, 4);
     18 
     19 // non-arrow-function -> arrow function -> non-arrow-function -> arrow function
     20 a = 0;
     21 (function() {
     22    (() => {
     23        (function () {
     24            a = (() => eval("arguments"))();
     25        })(1, 2, 3, 4);
     26    })();
     27 })();
     28 assertEq(a.length, 4);