tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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bug1776358.js (749B)

      1 let func = wasmEvalText(`(module
      2    (func
      3        (param f64) (param f64) (param f64) (param f64) (param f64)
      4        (param f64) (param f64) (param f64) (param f64)
      5    )
      6    (func
      7        (param i32)
      8        (result i32)
      9        ;; Call in a dead branch.
     10        (if (i32.const 0) (then
     11          (call 0
     12            (f64.const 0) (f64.const 0) (f64.const 0) (f64.const 0) (f64.const 0)
     13            (f64.const 0) (f64.const 0) (f64.const 0) (f64.const 0)
     14          )
     15        ))
     16        ;; Division to trigger a trap.
     17        (i32.div_s (local.get 0) (local.get 0))
     18    )
     19    (export "" (func 1))
     20 )`).exports[""];
     21 assertEq(func(7), 1);
     22 let ex;
     23 try {
     24    func(0);
     25 } catch (e) {
     26    ex = e;
     27 }
     28 assertEq(ex instanceof WebAssembly.RuntimeError, true);