tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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bigint-div-bailout-not-bigintptr.js (600B)

      1 // |jit-test| --ion-warmup-threshold=20
      2 
      3 function testBailout() {
      4  function f(v, r) {
      5    for (var i = 0; i < 50; ++i) {
      6      // Ensure DCE and LICM don't eliminate divisions when the divisor is zero.
      7      if (i === 0) {
      8        r();
      9      }
     10      1_0000_0000_0000_0000n / v;
     11      1_0000_0000_0000_0000n / v;
     12      1_0000_0000_0000_0000n / v;
     13    }
     14  }
     15 
     16  var result = [];
     17  function r() {
     18    result.push("ok");
     19  }
     20 
     21  do {
     22    result.length = 0;
     23    try {
     24      f(1n, r);
     25      f(1n, r);
     26      f(0n, r);
     27    } catch (e) {}
     28    assertEq(result.length, 3);
     29  } while (!inIon());
     30 }
     31 testBailout();