gcc/testsuite/gcc.dg/tree-ssa/copy-headers.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-ch2-details" } */
   3
   4 extern int foo (int);
   5
   6 void bla (void)
   7 {
   8   int i, n = foo (0);
   9
  10   for (i = 0; i < n; i++)
  11     foo (i);
  12 }
  13
  14 /* There should be a header duplicated.  */
  15 /* { dg-final { scan-tree-dump-times "Duplicating header of the" 1 "ch2"} } */