https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68898
--- Comment #2 from Yuri Rumyantsev <ysrumyan at gmail dot com> --- Forgot to add stack trace: Error: dominator of 6 status unknown t2.f:41:0: internal compiler error: Segmentation fault 0xb4e62f crash_signal /export/users/gnutester/stability/svn/trunk/gcc/toplev.c:334 0x376583567f ??? /home/glibctest/rpmbuild/BUILD/glibc-2.17-c758a686/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0 0x7e7d0d verify_dominators(cdi_direction) /export/users/gnutester/stability/svn/trunk/gcc/dominance.c:1033 0x7e7fa7 checking_verify_dominators /export/users/gnutester/stability/svn/trunk/gcc/dominance.h:71 0x7e7fa7 calculate_dominance_info(cdi_direction) /export/users/gnutester/stability/svn/trunk/gcc/dominance.c:664 0x9a178e ira /export/users/gnutester/stability/svn/trunk/gcc/ira.c:5155 0x9a178e execute /export/users/gnutester/stability/svn/trunk/gcc/ira.c:5511