copy3.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 17 行

// { dg-do run }
// { dg-options "-fno-elide-constructors" }

int copies;

struct S { 
  S () {}
  S (const S&) { ++copies; }
};

S s[1] = { S () };

int main () {
  if (copies != 1)
    return 1;
}