llvm-project/clang/test/SemaCXX/invalid-instantiated-field-...

36 lines
1.0 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
template <typename T>
class SmallVectorImpl {
public:
explicit SmallVectorImpl(unsigned N) {
}
~SmallVectorImpl() { }
};
template <typename T, unsigned N>
class SmallVector : public SmallVectorImpl<T> {
typedef typename SmallVectorImpl<T>::U U; // expected-error {{no type named 'U' in 'SmallVectorImpl<CallSite>'}}
enum {
MinUs = (static_cast<unsigned int>(sizeof(T))*N + // expected-error {{invalid application of 'sizeof' to an incomplete type 'CallSite'}}
static_cast<unsigned int>(sizeof(U)) - 1) /
static_cast<unsigned int>(sizeof(U)),
NumInlineEltsElts = MinUs
};
U InlineElts[NumInlineEltsElts];
public:
SmallVector() : SmallVectorImpl<T>(NumInlineEltsElts) {
}
};
class CallSite; // expected-note {{forward declaration of 'CallSite'}}
class InlineFunctionInfo {
public:
explicit InlineFunctionInfo() {}
SmallVector<CallSite, 2> DevirtualizedCalls; // expected-note {{in instantiation of template class 'SmallVector<CallSite, 2>' requested}}
};