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// { dg-do assemble }
// Copyright (C) 1999 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 15 Apr 1999 <nathan@acm.org>
// 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
}