clang/test/PCH/cxx1y-decltype-auto.cpp

   1 // RUN: %clang_cc1 -pedantic -std=c++1y -emit-pch %s -o %t
   2 // RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t -verify %s
   3
   4 // RUN: %clang_cc1 -pedantic -std=c++1y -emit-pch -fpch-instantiate-templates %s -o %t
   5 // RUN: %clang_cc1 -pedantic -std=c++1y -include-pch %t -verify %s
   6
   7 #ifndef HEADER_INCLUDED
   8
   9 #define HEADER_INCLUDED
  10
  11 template<typename T> void f(T t) {
  12   auto a = t.x;
  13   decltype(auto) b = t.x;
  14   auto c = (t.x);
  15   decltype(auto) d = (t.x);
  16 }
  17
  18 #else
  19
  20 struct Z {
  21   int x : 5; // expected-note {{bit-field}}
  22 };
  23
  24 // expected-error@15 {{non-const reference cannot bind to bit-field 'x'}}
  25 template void f(Z); // expected-note {{in instantiation of}}
  26
  27 #endif