1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -funswitch-loops -g -fdump-tree-unswitch-details" } */
       3  /* { dg-additional-options "-fcompare-debug" { target { ! powerpc-ibm-aix* } } } */
       4  
       5  short a, d;
       6  int b, c;
       7  static int e() {
       8    int f = -2L, g = 9, h = 0;
       9    for (; h < 2; h++)
      10      if (a <= 5) {
      11        g = 0;
      12        if (c && a)
      13          break;
      14        if (c - 1)
      15          goto i;
      16      }
      17    if (b) {
      18      int *j[] = {&f};
      19      if (d)
      20        for (; f < 9; f++)
      21          if (g)
      22            for (; f; f++)
      23              ;
      24    i:
      25      while (f) {
      26        a--;
      27        break;
      28      }
      29    }
      30  }
      31  int main() { e(); }
      32  
      33  /* { dg-final { scan-tree-dump-times "Guard hoisted" 1 "unswitch" } } */