Frame-eval-19.js - mozsearch

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// Eval-in-frame of optimized frames to break out of an infinite loop.

load(libdir + "jitopts.js");

if (!jitTogglesMatch(Opts_IonEagerNoOffthreadCompilation))

  quit(0);

withJitOptions(Opts_IonEagerNoOffthreadCompilation, function () {

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

  var dbg = new Debugger;

  g.eval("" + function f(d) { g(d); });

  g.eval("" + function g(d) { h(d); });

  g.eval("" + function h(d) {

    var i = 0;

    while (d)

      interruptIf(d && i++ == 4000);

});

  setInterruptCallback(function () {

    dbg.addDebuggee(g);

    var frame = dbg.getNewestFrame();

    if (frame.callee.name != "h" || frame.implementation != "ion")

      return true;

    frame.eval("d = false;");

    return true;

});

  g.eval("(" + function () {

    for (i = 0; i < 5; i++)

      f(false);

    f(true);

  } + ")();");

});