tools/profiler/tests/xpcshell/test_enterjit_osr_disabling.js

   1 function run_test() {
   2   Assert.ok(!Services.profiler.IsActive());
   3
   4   Services.profiler.StartProfiler(100, 10, ["js"]);
   5   // The function is entered with the profiler enabled
   6   (function () {
   7     Services.profiler.StopProfiler();
   8     let n = 10000;
   9     // eslint-disable-next-line no-empty
  10     while (--n) {} // OSR happens here with the profiler disabled.
  11     // An assertion will fail when this function returns, if the
  12     // profiler stack was misbalanced.
  13   })();
  14 }