The non-determinism of NaNs does not only affect the result of the test
function, it also affects the traps that are thrown.

R=titzer@chromium.org, eholk@chromium.org
BUG=v8:5924

Review-Url: https://codereview.chromium.org/2671813004
Cr-Commit-Position: refs/heads/master@{#42973}