>This works: > >gcc -O2 -fsched-interblock -fsched-verbose-0 -o test test.c > >I assume the presence of these options is bad in itself? Yes. A non-haifa-enabled compiler won't accept them: fountain:~$ arm-linux-gcc -fsched-interblock t.c cc1: Invalid option `-fsched-interblock' fountain:~$ So I suspect that is the culprit. I guess the thing to do is wait for Jim to build 2.95.1 and try again. p.