test/SemaCXX/PR9461.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 // Don't crash.
   4
   5 template<typename,typename=int,typename=int>struct basic_string;
   6
   7 typedef basic_string<char> string;
   8
   9
  10
  11 template<typename aT,typename,typename oc>
  12 struct basic_string
  13 {
  14 int us;
  15 basic_string(const aT*,const oc&a=int());
  16
  17 int _S_construct();
  18
  19 int _S_construct(int);
  20
  21 _S_construct(); // expected-error {{requires}}
  22 };
  23
  24 template<typename _CharT,typename _Traits,typename _Alloc>
  25 basic_string<_CharT,_Traits,_Alloc>::basic_string(const _CharT* c,const _Alloc&)
  26 :us(_S_construct)
  27 {string a(c);}
  28
  29 struct runtime_error{runtime_error(string);};
  30
  31 struct system_error:runtime_error{ // expected-note {{to match}}
  32 system_error():time_error("" // expected-error 3 {{expected}} expected-note {{to match}}