gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-48.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-fre1-details -fdisable-tree-ethread" } */
   3
   4 int foo (int i)
   5 {
   6   if (i)
   7     {
   8       if (i)
   9         return 1;
  10       else
  11         return 0;
  12     }
  13   return 0;
  14 }
  15
  16 /* { dg-final { scan-tree-dump "Removing unexecutable edge" "fre1" } } */