Add __PRETTY_FUNCTION__ builtin.
Add __PRETTY_FUNCTION__ builtin.

darcs-hash:20081230182005-fbb9b-3177271443339420820d5f0c6706b6b7f0da2177.gz

jthornber/language-c-ejt,jthornber/language-c-ejt,jthornber/language-c-ejt