https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91469
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> --- And one similar issue: $ cat ice2.i int a, b, c, d; int *e; void fn1() { b = c > 0 ? c : 0; d += e[b]; a = d > 0 ? d : 0; } $ gcc -Os -m32 --param scev-max-expr-size=0 -mavx512vnni -funroll-all-loops ice2.i -c during RTL pass: ira ice2.i: In function ‘fn1’: ice2.i:7:1: internal compiler error: in elimination_costs_in_insn, at reload1.c:3547 7 | } | ^ 0x6ba890 elimination_costs_in_insn /home/marxin/Programming/gcc/gcc/reload1.c:3547 0xd4228d calculate_elim_costs_all_insns() /home/marxin/Programming/gcc/gcc/reload1.c:1609 0xbe715d ira_costs() /home/marxin/Programming/gcc/gcc/ira-costs.c:2305 0xbe0879 ira_build() /home/marxin/Programming/gcc/gcc/ira-build.c:3432 0xbd7807 ira /home/marxin/Programming/gcc/gcc/ira.c:5352 0xbd7807 execute /home/marxin/Programming/gcc/gcc/ira.c:5663