http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46642
--- Comment #1 from Zdenek Sojka <zsojka at seznam dot cz> 2010-11-24 16:08:49 UTC --- Created attachment 22511 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22511 reduced testcase $ gcc -O -fschedule-insns2 -fsel-sched-pipelining -fselective-scheduling2 pr46642-1.c pr46642-1.c: In function 'foo': pr46642-1.c:21:1: internal compiler error: in reset_sched_cycles_in_current_ebb, at sel-sched.c:7095 Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions.