commit ea6c18c5e21189acd2fd26961ea6dc6d2a1947ac
Author: André Bargull <andre.bargull@gmail.com>
Date:   Thu Mar 22 17:20:29 2018 -0700

    Don't compute NaN values in functions (#1503)
    
    `function nan() { return /* expression to compute NaN */ }` may not return the same implementation-distinguishable NaN value before and after JIT compilation.
