clang/test/PCH/chain-friend-instantiation.cpp

   1 // RUN: %clang_cc1 %s -ast-print -o - -chain-include %s -chain-include %s
   2 // RUN: %clang_cc1 %s -ast-print -o - -fmodules -chain-include %s -chain-include %s
   3
   4 #if !defined(PASS1)
   5 #define PASS1
   6
   7 template <class T> class TClass;
   8
   9 namespace NS {
  10     template <class X, class Y> TClass<X> problematic(X * ptr, const TClass<Y> &src);
  11
  12     template <class T>
  13     class TBaseClass
  14     {
  15     protected:
  16         template <class X, class Y> friend TClass<X> problematic(X * ptr, const TClass<Y> &src);
  17     };
  18 }
  19
  20 template <class T>
  21 class TClass: public NS::TBaseClass<T>
  22 {
  23 public:
  24     inline TClass() { }
  25 };
  26
  27
  28 namespace NS {
  29     template <class X, class T>
  30     TClass<X> problematic(X *ptr, const TClass<T> &src);
  31 }
  32
  33 template <class X, class T>
  34 TClass<X> unconst(const TClass<T> &src);
  35
  36 #elif !defined(PASS2)
  37 #define PASS2
  38
  39 namespace std {
  40 class s {};
  41 }
  42
  43
  44 typedef TClass<std::s> TStr;
  45
  46 struct crash {
  47   TStr str;
  48
  49   crash(const TClass<std::s> p)
  50   {
  51     unconst<TStr>(p);
  52   }
  53 };
  54
  55 #else
  56
  57 void f() {
  58     const TStr p;
  59     crash c(p);
  60 }
  61
  62 #endif