modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/980505-1.c (about)

     1  static int f(int) __attribute__((const));
     2  int main()
     3  {
     4     int f1, f2, x;
     5     x = 1; f1 = f(x);
     6     x = 2; f2 = f(x);
     7     if (f1 != 1 || f2 != 2)
     8       abort ();
     9     exit (0);
    10  }
    11  static int f(int x) { return x; }