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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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// PR c++/69902
// { dg-do compile }
// { dg-options "-Wall" }

struct A { virtual ~A (); };
struct B : A {};

bool
foo (A &a)
{
  return dynamic_cast<B *>(&a) == (B *) 0;	// { dg-bogus "nonnull argument" }
}

bool
bar (A &a)
{
  return dynamic_cast<B *>(&a) != (B *) 0;	// { dg-bogus "nonnull argument" }
}