// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
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// Flags: --allow-natives-syntax --expose-gc
// Flags: --concurrent-recompilation --concurrent-recompilation-delay=50

if (!%IsConcurrentRecompilationSupported()) {
  print("Concurrent recompilation is disabled. Skipping this test.");
  quit();
}

function f(x) {
  var xx = x * x;
  var xxstr = xx.toString();
  return xxstr.length;
}

function g(x) {
  var xxx = Math.sqrt(x) | 0;
  var xxxstr = xxx.toString();
  return xxxstr.length;
}

function k(x) {
  return x * x;
}

f(g(1));
assertUnoptimized(f);
assertUnoptimized(g);

%OptimizeFunctionOnNextCall(f, "concurrent");
%OptimizeFunctionOnNextCall(g, "concurrent");
f(g(2));  // Trigger optimization.

assertUnoptimized(f, "no sync");  // Not yet optimized while background thread
assertUnoptimized(g, "no sync");  // is running.

assertOptimized(f, "sync");  // Optimized once we sync with the
assertOptimized(g, "sync");  // background thread.