parse3.c

来自「linux下编程用 编译软件」· C语言 代码 · 共 24 行

// { dg-do assemble  }

// these are marked as expected errors because they evidence an
// ambiguity in the grammar between expressions and declarations.
// when the parser's been cleaned up or rewritten, these two error
// markers can go away, since they'll no longer occur.

// Fixed. PR 8545, 2001 01 23
class A
{
  public:
    int high;
    unsigned int low;
    A operator+(const A in);
};

A A::operator+(const A in)
{
    if (high==0)
      return A();    // this works
    else
      return (A());  // this works not
}