1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-ipa-icf-optimized"  } */
       3  
       4  static int a;
       5  static int b;
       6  static const int c = 2;
       7  static const int d = 2;
       8  static char * e = "test";
       9  static char * f = "test";
      10  static int g[3]={1,2,3};
      11  static int h[3]={1,2,3};
      12  static const int *i=&c;
      13  static const int *j=&c;
      14  static const int *k=&d;
      15  int t(int tt)
      16  {
      17    switch (tt)
      18    {
      19      case 1: return a;
      20      case 2: return b;
      21      case 3: return c;
      22      case 4: return d;
      23      case 5: return e[1];
      24      case 6: return f[1];
      25      case 7: return g[1];
      26      case 8: return h[1];
      27      case 9: return i[0];
      28      case 10: return j[0];
      29      case 11: return k[0];
      30    }
      31  }
      32  
      33  /* { dg-final { scan-ipa-dump "Equal symbols: 5" "icf"  } } */
      34  /* { dg-final { scan-ipa-dump "Semantic equality hit:a/\[0-9+\]+->b/\[0-9+\]+" "icf"  } } */
      35  /* { dg-final { scan-ipa-dump "Semantic equality hit:c/\[0-9+\]+->d/\[0-9+\]+" "icf"  } } */
      36  /* { dg-final { scan-ipa-dump "Semantic equality hit:e/\[0-9+\]+->f/\[0-9+\]+" "icf"  } } */
      37  /* { dg-final { scan-ipa-dump "Semantic equality hit:g/\[0-9+\]+->h/\[0-9+\]+" "icf"  } } */
      38  /* { dg-final { scan-ipa-dump "Semantic equality hit:i/\[0-9+\]+->j/\[0-9+\]+" "icf"  } } */