modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/20150327.c (about)

     1  int a;
     2  int (*b)(), (*c)();
     3  int fn1(int p1) {
     4    if (a)
     5      return 0;
     6    if (p1) {
     7      c();
     8      b();
     9    }
    10  }
    11  void fn2() { fn1(0); }