File: Wnonnull-compare-4.C

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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// PR c++/69850
// { dg-do compile }
// { dg-options "-Wnonnull-compare" }

struct A { virtual ~A (); int foo (); };
struct B { virtual ~B () { } };
struct C : B, A { };

int
A::foo ()
{
  C *c = dynamic_cast<C *> (this);	// { dg-bogus "nonnull argument" }
  return !c;
}