view gcc/testsuite/g++.dg/warn/Wnonnull-compare-4.C @ 158:494b0b89df80 default tip

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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++/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;
}