test/mjsunit/regress/regress-fundecl.js

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// Flags: --allow-natives-syntax

// Test hoisting of function declarations in the optimizing
// compiler in case of deoptimization.

function h(a, b) {
  var r = a + b;
  function X() { return 42; }
  return r + X();
}

for (var i = 0; i < 5; i++) h(1,2);

%OptimizeFunctionOnNextCall(h);

assertEquals(45, h(1,2));
assertEquals("foo742", h("foo", 7));