Avoid embedding new space objects into code objects in the lithium gap resolver.

test/mjsunit/regress/regress-108296.js

+// Copyright 2011 the V8 project authors. All rights reserved.
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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);