expr2.c

来自「linux下编程用 编译软件」· C语言 代码 · 共 17 行

// { dg-do run }

// Copyright (C) 2000 Free Software Foundation

// by Alexandre Oliva <[e-mail]>

int i, j;

const int &f(const int& I, const int& J) {
  // this must not be optimized to I because it's an lvalue
  return (I != J) ? I : J;
}

int main () {
  return (&f(i, j) != &j);
}