clang/test/SemaCXX/invalid-instantiated-field-decl.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 template <typename T>
   4 class SmallVectorImpl  {
   5 public:
   6   explicit SmallVectorImpl(unsigned N) {
   7   }
   8
   9   ~SmallVectorImpl() { }
  10
  11 };
  12
  13 template <typename T, unsigned N>
  14 class SmallVector : public SmallVectorImpl<T> {
  15   typedef typename SmallVectorImpl<T>::U U; // expected-error {{no type named 'U' in 'SmallVectorImpl<CallSite>'}}
  16   enum {
  17
  18     MinUs = (static_cast<unsigned int>(sizeof(T))*N +   // expected-error {{invalid application of 'sizeof' to an incomplete type 'CallSite'}}
  19              static_cast<unsigned int>(sizeof(U)) - 1) /
  20             static_cast<unsigned int>(sizeof(U)),
  21     NumInlineEltsElts = MinUs
  22   };
  23   U InlineElts[NumInlineEltsElts];
  24 public:
  25   SmallVector() : SmallVectorImpl<T>(NumInlineEltsElts) {
  26   }
  27
  28 };
  29
  30 class CallSite; // expected-note {{forward declaration of 'CallSite'}}
  31 class InlineFunctionInfo {
  32 public:
  33   explicit InlineFunctionInfo() {}
  34   SmallVector<CallSite, 2> DevirtualizedCalls;  // expected-note {{in instantiation of template class 'SmallVector<CallSite, 2>' requested}}
  35 };