https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66123
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
$ ./cc1 -quiet x.c -O
x.c: In function ‘test’:
x.c:2:1: internal compiler error: Segmentation fault
test (int foo)
^
0xd7129c crash_signal
/home/marek/src/gcc/gcc/toplev.c:380
0xecc3e3 propagate_rhs_into_lhs
/home/marek/src/gcc/gcc/tree-ssa-dom.c:2945
0xecc660 eliminate_const_or_copy
/home/marek/src/gcc/gcc/tree-ssa-dom.c:3017
0xecc7c4 eliminate_degenerate_phis_1
/home/marek/src/gcc/gcc/tree-ssa-dom.c:3054
0xecc817 eliminate_degenerate_phis_1
/home/marek/src/gcc/gcc/tree-ssa-dom.c:3061
0xecc817 eliminate_degenerate_phis_1
/home/marek/src/gcc/gcc/tree-ssa-dom.c:3061
0xecc921 execute
/home/marek/src/gcc/gcc/tree-ssa-dom.c:3155
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
