bug-1461448.js - mozsearch

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// |jit-test| skip-if: helperThreadCount() === 0

gczeal(0);

let lfPreamble = `

  var lfOffThreadGlobal = newGlobal({newCompartment: true});

  for (lfLocal in this)

    try {} catch(lfVare5) {}

`;

evaluate(lfPreamble);

evaluate(`

  var g = newGlobal({newCompartment: true});

  var dbg = new Debugger;

  var gw = dbg.addDebuggee(g);

  for (lfLocal in this)

    if (!(lfLocal in lfOffThreadGlobal))

      try {

        lfOffThreadGlobal[lfLocal] = this[lfLocal];

      } catch(lfVare5) {}

  var g = newGlobal({newCompartment: true});

  var gw = dbg.addDebuggee(g);

`);

lfOffThreadGlobal.offThreadCompileToStencil(`

  setMarkStackLimit(1);

  grayRoot()[0] = "foo";

`);

var stencil = lfOffThreadGlobal.finishOffThreadStencil();

lfOffThreadGlobal.evalStencil(stencil);

eval(`

  var lfOffThreadGlobal = newGlobal({newCompartment: true});

  try { evaluate(\`

    gczeal(18, 1);

    grayRoot()[0] = "foo";

    let inst = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary(

    \\\`(module

       (memory (export "memory") 1 1)

     )\\\`

    )));

\`); } catch(exc) {}

`);