crash3.c

来自「用于进行gcc测试」· C语言 代码 · 共 16 行

// { dg-do compile }
// Contributed by Wolfgang Wieser <wwieser at gmx dot de>
// PR c++/15967: ICE with ambiguous operator new

typedef __SIZE_TYPE__ size_t; 

struct A { void *operator new(size_t s){} };  // { dg-error "operator new" }
struct B { void *operator new(size_t s){} };  // { dg-error "operator new" }

struct C : A,B {}; 

int crash() 
{
  C *c=new C();   // { dg-error "ambiguous" }
}