clang/test/PCH/cxx-alias-decl.cpp

   1 // Test this without pch.
   2 // RUN: %clang_cc1 -x c++ -std=c++11 -include %S/cxx-alias-decl.h -fsyntax-only -emit-llvm -o - %s
   3
   4 // Test with pch.
   5 // RUN: %clang_cc1 -x c++ -std=c++11 -emit-pch -o %t %S/cxx-alias-decl.h
   6 // RUN: %clang_cc1 -x c++ -std=c++11 -include-pch %t -fsyntax-only -emit-llvm -o - %s
   7
   8 // RUN: %clang_cc1 -x c++ -std=c++11 -emit-pch -fpch-instantiate-templates -o %t %S/cxx-alias-decl.h
   9 // RUN: %clang_cc1 -x c++ -std=c++11 -include-pch %t -fsyntax-only -emit-llvm -o - %s
  10
  11 template struct T<S>;
  12 C<A>::A<char> a;
  13
  14 using T1 = decltype(a);
  15 using T1 = D<int, char>;
  16
  17 using T2 = B<A>;
  18 using T2 = S;
  19
  20 using A = int;
  21 template<typename U> using B = S;
  22 template<typename U> using C = T<U>;
  23 template<typename U, typename V> using D = typename T<U>::template A<V>;