forked from OSchip/llvm-project
57 lines
2.5 KiB
C++
57 lines
2.5 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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template<template<typename T> class X> struct A; // expected-note 2{{previous template template parameter is here}}
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template<template<typename T, int I> class X> struct B; // expected-note{{previous template template parameter is here}}
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template<template<int I> class X> struct C; // expected-note{{previous non-type template parameter with type 'int' is here}}
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template<class> struct X; // expected-note{{too few template parameters in template template argument}}
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template<int N> struct Y; // expected-note{{template parameter has a different kind in template argument}}
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template<long N> struct Ylong; // expected-note{{template non-type parameter has a different type 'long' in template argument}}
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namespace N {
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template<class> struct Z;
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}
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template<class, class> struct TooMany; // expected-note{{too many template parameters in template template argument}}
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A<X> *a1;
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A<N::Z> *a2;
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A< ::N::Z> *a3;
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A<Y> *a4; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
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A<TooMany> *a5; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
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B<X> *a6; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
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C<Y> *a7;
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C<Ylong> *a8; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
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template<typename T> void f(int);
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A<f> *a9; // expected-error{{must be a class template}}
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// Evil digraph '<:' is parsed as '[', expect error.
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A<::N::Z> *a10; // expected-error{{found '<::' after a template name which forms the digraph '<:' (aka '[') and a ':', did you mean '< ::'?}}
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// Do not do a digraph correction here.
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A<: :N::Z> *a11; // expected-error{{expected expression}} \
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expected-error{{C++ requires a type specifier for all declarations}}
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// PR7807
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namespace N {
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template <typename, typename = int>
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struct X
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{ };
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template <typename ,int>
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struct Y
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{ X<int> const_ref(); };
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template <template<typename,int> class TT, typename T, int N>
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int operator<<(int, TT<T, N> a) { // expected-note{{candidate template ignored}}
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0 << a.const_ref(); // expected-error{{invalid operands to binary expression ('int' and 'X<int>')}}
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}
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void f0( Y<int,1> y){ 1 << y; } // expected-note{{in instantiation of function template specialization 'N::operator<<<Y, int, 1>' requested here}}
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}
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