145cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth// RUN: %clang_cc1 -fsyntax-only -verify %s
245cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth//
345cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth// The whole point of this test is to verify certain diagnostics work in the
445cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth// absence of namespace 'std'.
545cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth
645cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruthnamespace PR10053 {
745cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth  namespace ns {
845cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth    struct Data {};
945cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth  }
1045cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth
1145cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth  template<typename T> struct A {
1245cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth    T t;
1345cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth    A() {
142a00b8347bdf0064cc106295a070c00669ded9a9Jay Foad      f(t); // expected-error {{call to function 'f' that is neither visible in the template definition nor found by argument-dependent lookup}}
1545cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth    }
1645cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth  };
1745cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth
1845cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth  void f(ns::Data); // expected-note {{in namespace 'PR10053::ns'}}
1945cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth
2045cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth  A<ns::Data> a; // expected-note {{in instantiation of member function}}
2145cad4adb802b818211b1c697f550d3bf1e98e51Chandler Carruth}
22