test/mjsunit/regress/regress-108296.js

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// Flags: --allow-natives-syntax

// This test checks that young immediates embedded into code objects
// are referenced through a cell.

function f (k, a, b) {
  // Create control flow for a.foo.  Control flow resolution will
  // be generated as a part of a gap move. Gap move operate on immediates as
  // a.foo is a CONSTANT_FUNCTION.
  var x = k ? a.foo : a.foo;
  return x.prototype;
}

var a = { };

// Make sure that foo is a CONSTANT_FUNCTION but not be pretenured.
a.foo = (function () { return function () {}; })();

// Ensure that both branches of ternary operator have monomorphic type feedback.
f(true, a, a);
f(true, a, a);
f(false, a, a);
f(false, a, a);
%OptimizeFunctionOnNextCall(f);
f(true, a, a);