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// modification, are permitted provided that the following conditions are
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//
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// Flags: --allow-natives-syntax

(function OneByteSeqStringSetCharDeoptOsr() {
  function deopt() {
    %DeoptimizeFunction(f);
  }

  function f(string, osr) {
    var world = " world";
    %_OneByteSeqStringSetChar(0, (deopt(), 0x48), string);

    for (var i = 0; osr && i < 2; i++) %OptimizeOsr();

    return string + world;
  }

  assertEquals("Hello " + "world", f("hello", false));
  %OptimizeFunctionOnNextCall(f);
  assertEquals("Hello " + "world", f("hello", true));
})();


(function OneByteSeqStringSetCharDeopt() {
  function deopt() {
    %DeoptimizeFunction(f);
  }

  function g(x) {
  }

  function f(string) {
    g(%_OneByteSeqStringSetChar(0, (deopt(), 0x48), string));
    return string;
  }

  assertEquals("Hell" + "o", f("hello"));
  %OptimizeFunctionOnNextCall(f);
  assertEquals("Hell" + "o", f("hello"));
})();


(function TwoByteSeqStringSetCharDeopt() {
  function deopt() {
    %DeoptimizeFunction(f);
  }

  function g(x) {
  }

  function f(string) {
    g(%_TwoByteSeqStringSetChar(0, (deopt(), 0x48), string));
    return string;
  }

  assertEquals("Hell" + "o", f("\u20ACello"));
  %OptimizeFunctionOnNextCall(f);
  assertEquals("Hell" + "o", f("\u20ACello"));
})();