clang/test/PCH/cxx11-enum-template.cpp

   1 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch %s -o %t
   2 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s
   3
   4 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch -fpch-instantiate-templates %s -o %t
   5 // RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s
   6
   7 #ifndef HEADER_INCLUDED
   8
   9 #define HEADER_INCLUDED
  10
  11 template<typename T> struct S {
  12   enum class E {
  13     e = T()
  14   };
  15 };
  16
  17 S<int> a;
  18 S<long>::E b;
  19 S<double>::E c;
  20 template struct S<char>;
  21
  22 #else
  23
  24 int k1 = (int)S<int>::E::e;
  25 int k2 = (int)decltype(b)::e;
  26 int k3 = (int)decltype(c)::e; // expected-error@13 {{conversion from 'double' to 'int'}} expected-note {{here}}
  27 int k4 = (int)S<char>::E::e;
  28
  29 #endif