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// { dg-do assemble  }

// Copyright (C) 1999 Free Software Foundation, Inc.

// Contributed by Nathan Sidwell 15 Apr 1999 

// delete (void *)e and delete[] (void *)e result in undefined behavior

// [expr.delete/3]. Check we warn about them

// operator new functions can only return NULL, if their exceptions

// specification is `throw()'. All other cases must return a non-null pointer

// [expr.new/13].

typedef __SIZE_TYPE__ size_t;

void *operator new(size_t)

{

  return 0; // { dg-error "" } cannot return NULL

}

void *operator new[](size_t)

{

  return 0; // { dg-error "" } cannot return NULL

}

struct X

{

  void *operator new(size_t)

  {

    return 0; // { dg-error "" } cannot return NULL

  }

  void *operator new[](size_t)

  {

    return 0; // { dg-error "" } cannot return NULL

  }

};

struct Y

{

  void *operator new(size_t) throw()

  {

    return 0; // ok

  }

  void *operator new[](size_t) throw()

  {

    return 0; // ok

  }

};

void fn(double *d, void *v)

{

  delete d;   // ok

  delete v;   // { dg-warning "" } deleting void

  delete[] d; // ok

  delete[] v; // { dg-warning "" } deleting void

}