clang/test/SemaCXX/base-class-ambiguity-check.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 template <typename T> class Foo {
   4   struct Base : T {};
   5
   6   // Test that this code no longer causes a crash in Sema.
   7   struct Derived : Base, T {};
   8 };
   9
  10
  11 template <typename T> struct Foo2 {
  12   struct Base1; // expected-note{{member is declared here}}
  13   struct Base2; // expected-note{{member is declared here}}
  14   // Should not crash on an incomplete-type and dependent base specifier.
  15   struct Derived : Base1, Base2 {}; // expected-error {{implicit instantiation of undefined member 'Foo2<int>::Base1'}} \
  16                                        expected-error {{implicit instantiation of undefined member 'Foo2<int>::Base2'}}
  17 };
  18
  19 Foo2<int>::Derived a; // expected-note{{in instantiation of member class}}