clang/test/Misc/diagnostic-crash.cpp

   1 // RUN: %clang_cc1 -verify -fsyntax-only %s
   2 // The diagnostics we produce for this code tickled a bug in raw_ostream.
   3 template <typename _Alloc> class allocator;
   4 template <class _CharT> struct char_traits;
   5 template <typename _CharT, typename _Traits = char_traits<_CharT>,
   6           typename _Alloc = allocator<_CharT> >
   7 class basic_string;
   8 typedef basic_string<wchar_t> wstring;
   9 class Closure {
  10 };
  11 template <class A1> class Callback1 {
  12 };
  13 template <class A1, class A2> class Callback2 {
  14 };
  15 template <class R, class A2> class ResultCallback1 {
  16 };
  17 template <bool del, class R, class T, class P1, class P2, class A1>
  18 class AAAAAAAResultCallback_2_1 : public ResultCallback1<R, A1> {
  19 };
  20 template <bool del, class T, class P1, class P2, class A1>
  21 class AAAAAAAResultCallback_2_1< del, void, T, P1, P2, A1> :
  22     public Callback1<A1> {
  23  public:
  24   typedef Callback1<A1> base;
  25 };
  26 template <class T1, class T2, class R, class P1, class P2, class A1>
  27 inline typename AAAAAAAResultCallback_2_1<true, R, T1, P1, P2, A1>::base*
  28 NewCallback(T1* obj, R(T2::* member)(P1, P2, A1), const P1& p1, const P2& p2) {}
  29 namespace util { class Status {}; }
  30 class xxxxxxxxxxxxxxxxx {
  31   void Bar(wstring* s, util::Status* status,
  32            Callback2<util::Status, wstring>* done);
  33   void Foo();
  34 };
  35 void xxxxxxxxxxxxxxxxx::Foo() {
  36   wstring* s = __null;
  37   util::Status* status = __null;
  38   Closure* cb = NewCallback(this, &xxxxxxxxxxxxxxxxx::Bar, s, status);  // expected-error{{cannot initialize}}
  39 }