1  /* { dg-options "-fdump-tree-sanopt" } */
       2  /* { dg-do compile } */
       3  /* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */
       4  
       5  extern __UINT32_TYPE__ a;
       6  
       7  void
       8  foo ()
       9  {
      10    /* Instrument a with access size 3.  */
      11    int d = __builtin_memcmp (&a, "123", 3);
      12    /* This should  generate a __builtin___asan_report_store4, because
      13       the reference to a has been instrumented above with access size 3.  */
      14    a = 1;
      15  }
      16  
      17  /* { dg-final { scan-tree-dump-times "__builtin___asan_report_store4" 1 "sanopt" } } */