36 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2 3template <typename T>4class SmallVectorImpl {5public:6 explicit SmallVectorImpl(unsigned N) {7 }8 9 ~SmallVectorImpl() { }10 11};12 13template <typename T, unsigned N>14class 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];24public:25 SmallVector() : SmallVectorImpl<T>(NumInlineEltsElts) {26 }27 28};29 30class CallSite; // expected-note {{forward declaration of 'CallSite'}}31class InlineFunctionInfo {32public:33 explicit InlineFunctionInfo() {}34 SmallVector<CallSite, 2> DevirtualizedCalls; // expected-note {{in instantiation of template class 'SmallVector<CallSite, 2>' requested}}35};36