Blacklist two functions that can call casted function pointers, there is
not an easy way to fix these failures yet.

BUG=v8:7164

Change-Id: I895ccb09359d38c95c1ff93e41c306ecb1ad57fc
Reviewed-on: https://chromium-review.googlesource.com/1003226Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52539}