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/* PR tree-optimization/28887 */

/* { dg-do compile } */

/* { dg-options "-O2 -fprefetch-loop-arrays -w" } */

/* { dg-options "-O2 -fprefetch-loop-arrays -march=i686 -msse -w" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */

typedef unsigned long size_t;

struct re_pattern_buffer

{

  size_t re_nsub;

};

typedef enum

{

  start_memory,

} re_opcode_t;

typedef union

{

  struct

  {

    unsigned matched_something:1;

  } bits;

} byte_register_info_type;

void byte_re_match_2_internal (struct re_pattern_buffer *bufp)

{

  int mcnt;

  size_t num_regs = bufp->re_nsub + 1;

  byte_register_info_type *reg_info;

  for (mcnt = 1; (unsigned) mcnt < num_regs; mcnt++)

    {

      ((reg_info[mcnt]).bits.matched_something) = 0;

    }

}