modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/20061214-1.c (about)

     1  typedef unsigned long long ull;
     2  ull bar (void);
     3  void foo (ull *x)
     4  {
     5    ull y = bar ();
     6    *x += y >> 32;
     7  }