1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-ipa-icf-optimized"  } */
       3  
       4  #include <stdio.h>
       5  
       6  struct container
       7  {
       8    int x;
       9    int y;
      10  };
      11  
      12  static struct container max;
      13  static int pole[3][3];
      14  static int pole2[123];
      15  
      16  static struct container superpole[10][10];
      17  
      18  void f1(struct container *c)
      19  {
      20    struct container pes;
      21    pes.x = 123;
      22    pes.y = 123;
      23  
      24    struct container *pesp = c;
      25    pesp->x = 5;
      26  
      27    pole[1][2] = 3;
      28  
      29    superpole[4][3].x = 4;
      30    max.x = 3;
      31    void *x = &pole;
      32  
      33    int **a = (int**)pole;
      34    a[1][2] = 543;
      35  
      36    if(x != 0)
      37      pole[1][2] = 123;
      38  }
      39  
      40  void f2(struct container *c)
      41  {
      42    struct container pes;
      43    pes.x = 123;
      44    pes.y = 123;
      45  
      46    struct container *pesp = c;
      47    pesp->x = 5;
      48  
      49    pole[1][2] = 3;
      50  
      51    superpole[4][3].x = 4;
      52    max.x = 3;
      53    void *x = &pole;
      54  
      55    int **a = (int**)pole;
      56    a[1][2] = 543;
      57  
      58    if(x != 0)
      59      pole[1][2] = 123;
      60  }
      61  
      62  int main(int argc, char **argv)
      63  {
      64    return 0;
      65  }
      66  
      67  /* { dg-final { scan-ipa-dump "Semantic equality hit:f1/\[0-9+\]+->f2/\[0-9+\]+" "icf"  } } */
      68  /* { dg-final { scan-ipa-dump "Equal symbols: 1" "icf"  } } */