https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92429
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- I have one more test-case starting from the same revision: $ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/scop-17.c -Ofast -fno-tree-vrp -mavx512er during GIMPLE pass: vect /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/scop-17.c: In function ‘test’: /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/graphite/scop-17.c:5:5: internal compiler error: in vect_transform_stmt, at tree-vect-stmts.c:10962 5 | int test () | ^~~~ 0x731fa6 vect_transform_stmt(_stmt_vec_info*, gimple_stmt_iterator*, _slp_tree*, _slp_instance*) /home/marxin/Programming/gcc/gcc/tree-vect-stmts.c:10962 0x10374e6 vect_transform_loop_stmt /home/marxin/Programming/gcc/gcc/tree-vect-loop.c:8078 0x104d600 vect_transform_loop(_loop_vec_info*) /home/marxin/Programming/gcc/gcc/tree-vect-loop.c:8471 0x1069d6c try_vectorize_loop_1 /home/marxin/Programming/gcc/gcc/tree-vectorizer.c:989 0x1069e80 try_vectorize_loop_1 /home/marxin/Programming/gcc/gcc/tree-vectorizer.c:1026 0x106a861 vectorize_loops() /home/marxin/Programming/gcc/gcc/tree-vectorizer.c:1125 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.