https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55023
--- Comment #12 from John David Anglin <danglin at gcc dot gnu.org> --- Breakpoint 3, delete_dead_store_insn (insn_info=0x1b5ccf0) at ../../gcc/gcc/dse.c:948 948 if (!dbg_cnt (dse)) (gdb) p *insn_info $3 = {cannot_delete = false, wild_read = false, non_frame_wild_read = false, frame_read = false, stack_pointer_based = false, contains_cselib_groups = false, insn = 0xfad93f28, store_rec = 0x1b60288, read_rec = 0x0, fixed_regs_live = 0x1b52234, prev_insn = 0x1b5ccd0, next_local_store = 0x1b5ccb0} (gdb) p debug_rtx (insn_info->insn) (insn 31 27 50 2 (set (mem:SI (reg/f:SI 115) [0 S4 A64]) (reg:SI 125)) pr55023.c:17 40 {*pa.md:2204} (expr_list:REG_DEAD (reg:SI 125) (expr_list:REG_DEAD (reg/f:SI 115) (nil)))) $4 = void