1 /* { dg-do compile } */ 2 /* { dg-options "-O2 -fno-tree-dce" } */ 3 4 typedef unsigned long long HARD_REG_ELT_TYPE; 5 typedef HARD_REG_ELT_TYPE HARD_REG_SET[2]; 6 static HARD_REG_SET newpat_used_regs; try_combine(void)7int try_combine (void) 8 { 9 HARD_REG_ELT_TYPE *scan_tp_ = newpat_used_regs; 10 scan_tp_[0] = 0; 11 scan_tp_[1] = 0; 12 } 13