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// RUN: %clang_cc1 -fsyntax-only -verify %s
struct A {
int a;
};
struct X1 : virtual A
{};
struct Y1 : X1, virtual A
{};
struct Y2 : X1, A // expected-warning{{direct base 'A' is inaccessible due to ambiguity:\n struct Y2 -> struct X1 -> struct A\n struct Y2 -> struct A}}
{};
struct X2 : A
{};
struct Z1 : X2, virtual A // expected-warning{{direct base 'A' is inaccessible due to ambiguity:\n struct Z1 -> struct X2 -> struct A\n struct Z1 -> struct A}}
{};
struct Z2 : X2, A // expected-warning{{direct base 'A' is inaccessible due to ambiguity:\n struct Z2 -> struct X2 -> struct A\n struct Z2 -> struct A}}
{};
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