1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-profile_estimate" } */
       3  
       4  #include <stdlib.h>
       5  #include <string.h>
       6  
       7  void *r;
       8  void *r2;
       9  void *r3;
      10  void *r4;
      11  void *r5;
      12  
      13  void *m (size_t s, int c)
      14  {
      15    r = malloc (s);
      16    if (r)
      17      memset (r, 0, s);
      18  
      19    r2 = calloc (s, 0);
      20    if (r2)
      21      memset (r2, 0, s);
      22  
      23    r3 = __builtin_malloc (s);
      24    if (r3)
      25      memset (r3, 0, s);
      26  
      27    r4 = __builtin_calloc (s, 0);
      28    if (r4)
      29      memset (r4, 0, s);
      30  
      31    r5 = __builtin_realloc (r4, s);
      32    if (r5)
      33      memset (r4, 0, s);
      34  }
      35  
      36  /* { dg-final { scan-tree-dump-times "malloc returned non-NULL heuristics of edge\[^:\]*: 99.96%" 5 "profile_estimate"} } */