This problem doesn't happen on Ubuntu or on a fresh squeeze install. Then I realised I had gcc 4.4, 4.5 and 4.6 installed as well as 4.7 and 4.8. With 4.4, 4.5 and 4.6, gcc -O2 -o ffi-test ffi-test.c works. With 4.7 and 4.8 it segfaults instead of outputting "This is cool!".
-- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
