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

     1  main ()
     2  {
     3    int i;
     4  
     5    for (i = 5000000; i >=0; i--)
     6      {
     7      }
     8  }