Grinder: a couple of fixes.
Grinder: a couple of fixes.

Fix the CodeLocation comparator (again - oh the shame!).
Stop making excuses for functions outside known modules.

R=chrisha@chromium.org

Review URL: https://codereview.appspot.com/10715044

git-svn-id: db59699583a60be9a535cd09cdc9132301867226@1596 15e8cca8-e42c-11de-a347-f34a4f72eb7d

supriyantomaftuh/syzygy,ericmckean/syzygy,pombreda/syzygy,supriyantomaftuh/syzygy,supriyantomaftuh/syzygy,sebmarchand/syzygy,wangming28/syzygy,ericmckean/syzygy,pombreda/syzygy,wangming28/syzygy,google/syzygy,wangming28/syzygy,sebmarchand/syzygy,sebmarchand/syzygy,Eloston/syzygy,sebmarchand/syzygy,wangming28/syzygy,pombreda/syzygy,supriyantomaftuh/syzygy,pombreda/syzygy,google/syzygy,ericmckean/syzygy,ericmckean/syzygy,ericmckean/syzygy,Eloston/syzygy,pombreda/syzygy,google/syzygy,sebmarchand/syzygy,google/syzygy