gcc/testsuite/gcc.dg/pr17319.c

   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;
   7 int 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 }