https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81245
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- The full ICE: during GIMPLE pass: vect dump file: t.c.159t.vect t.c: In function 'f': t.c:13:6: internal compiler error: Segmentation fault void f(void) ^ 0xb2d137 crash_signal ../../gcc/gcc/toplev.c:338 0x6f53b4 flow_bb_inside_loop_p(loop const*, basic_block_def const*) ../../gcc/gcc/cfgloop.c:794 0xd82b5b vect_stmt_relevant_p ../../gcc/gcc/tree-vect-stmts.c:326 0xd8366f vect_mark_stmts_to_be_vectorized(_loop_vec_info*) ../../gcc/gcc/tree-vect-stmts.c:664 0xdae127 vect_analyze_loop_2 ../../gcc/gcc/tree-vect-loop.c:1944 0xdae127 vect_analyze_loop(loop*, _loop_vec_info*) ../../gcc/gcc/tree-vect-loop.c:2403 0xdc4e4f vectorize_loops() ../../gcc/gcc/tree-vectorizer.c:614 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.