modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/921021-1.c (about)

     1  void g();
     2  
     3  f()
     4  {
     5  int x=1;
     6  while(x)
     7  {
     8  x=h();
     9  if(x)
    10  g();
    11  }
    12  }