1  /* PR tree-optimization/93262 */
       2  
       3  extern void abort (void);
       4  typedef __SIZE_TYPE__ size_t;
       5  extern void *memcpy (void *, const void *, size_t);
       6  extern void *memset (void *, int, size_t);
       7  
       8  #include "chk.h"
       9  
      10  char b[32] = "def";
      11  char a[32] = "abc";
      12  char c[32] = "ghi";
      13  int l1;
      14  
      15  __attribute__((noipa, noinline, noclone, optimize ("tree-dse"))) void
      16  foo (char *b)
      17  {
      18    memcpy (a, b, 48);
      19    memset (a, ' ', 16);
      20  }
      21  
      22  __attribute__((noipa, noinline, noclone, optimize ("tree-dse"))) void
      23  bar (void)
      24  {
      25    memset (a, ' ', 48);
      26    memset (a, '0', 16);
      27  }
      28  
      29  void
      30  main_test (void)
      31  {
      32  #ifndef __OPTIMIZE__
      33    /* Object size checking is only intended for -O[s123].  */
      34    return;
      35  #endif
      36    __asm ("" : "=r" (l1) : "0" (l1));
      37    chk_calls = 0;
      38    chk_fail_allowed = 1;
      39    /* Runtime checks.  */
      40    if (__builtin_setjmp (chk_fail_buf) == 0)
      41      {
      42        foo ("0123456789abcdeffedcba9876543210ghijklmnopqrstuv");
      43        if (!l1)
      44  	abort ();
      45      }
      46    if (__builtin_setjmp (chk_fail_buf) == 0)
      47      {
      48        bar ();
      49        if (!l1)
      50  	abort ();
      51      }
      52    if (chk_calls != 2)
      53      abort ();
      54    return 0;
      55  }