1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 template <typename T> 4 class SmallVectorImpl { 5 public: SmallVectorImpl(unsigned N)6 explicit SmallVectorImpl(unsigned N) { 7 } 8 ~SmallVectorImpl()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: SmallVector()25 SmallVector() : SmallVectorImpl<T>(NumInlineEltsElts) { 26 } 27 28 }; 29 30 class CallSite; // expected-note {{forward declaration of 'CallSite'}} 31 class InlineFunctionInfo { 32 public: InlineFunctionInfo()33 explicit InlineFunctionInfo() {} 34 SmallVector<CallSite, 2> DevirtualizedCalls; // expected-note {{in instantiation of template class 'SmallVector<CallSite, 2>' requested}} 35 }; 36