120 lines
4.0 KiB
C++
120 lines
4.0 KiB
C++
// RUN: %clang_cc1 -std=c++17 -fms-compatibility -fsyntax-only -verify=before,expected %s
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// RUN: %clang_cc1 -std=c++17 -fms-compatibility -fdelayed-template-parsing -fsyntax-only -verify=before,expected %s
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// RUN: %clang_cc1 -std=c++20 -fms-compatibility -fsyntax-only -verify=after,expected %s
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// RUN: %clang_cc1 -std=c++20 -fms-compatibility -fdelayed-template-parsing -fsyntax-only -verify=after,expected %s
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template <class T>
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class Base {
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};
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template <class T>
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class Based {}; // Trying to trick the typo detection
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template <class T>
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class Derived : public Base<T> {
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public:
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// after-error@+1 {{member initializer 'Base' does not name a non-static data member or base class}}
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Derived() : Base() {} // before-warning {{unqualified base initializer of class templates is a Microsoft extension}}
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private:
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int Baze; // Trying to trick the typo detection
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};
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template <class T> struct AggregateBase {
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T i;
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};
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template <class T>
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struct AggregateDerived : public AggregateBase<T> {
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int i;
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// after-error@+1 {{member initializer 'AggregateBase' does not name a non-static data member or base class}}
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AggregateDerived(T j) : AggregateBase{4}, i{j} {} // before-warning {{unqualified base initializer of class templates is a Microsoft extension}}
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int f() {
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return i + AggregateBase::i; // expected-warning {{use of undeclared identifier 'AggregateBase'; unqualified lookup into dependent bases of class template 'AggregateDerived' is a Microsoft extension}}
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}
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};
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template <class T, typename U> struct MultiTypesBase {
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};
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template <class T, class U>
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struct MultiTypesDerived : public MultiTypesBase<T, U> {
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// after-error@+1 {{member initializer 'MultiTypesBase' does not name a non-static data member or base class}}
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MultiTypesDerived() : MultiTypesBase{} {} // before-warning {{unqualified base initializer of class templates is a Microsoft extension}}
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};
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template <int I> struct IntegerBase {
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};
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template <int I>
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struct IntegerDerived : public IntegerBase<I> {
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// after-error@+1 {{member initializer 'IntegerBase' does not name a non-static data member or base class}}
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IntegerDerived() : IntegerBase{} {} // before-warning {{unqualified base initializer of class templates is a Microsoft extension}}
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};
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template <class T> struct ConformingBase {
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T i;
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};
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template <class T>
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struct ConformingDerived : public ConformingBase<T> {
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int i;
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ConformingDerived(T j) : ConformingBase<T>{4}, i{j} {}
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int f() {
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return i + ConformingBase<T>::i;
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}
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};
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int main() {
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int I;
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Derived<int> t;
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AggregateDerived<int> AD{2};
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AD.AggregateBase::i = 3;
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I = AD.f();
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MultiTypesDerived<int, double> MTD;
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IntegerDerived<4> ID;
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ConformingDerived<int> CD{2};
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I = CD.f();
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return I;
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}
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template <typename Type, int TSize> class Vec {}; // expected-note {{template is declared here}}
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template <int TDim> class Index : public Vec<int, TDim> {
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// after-error@+1 {{member initializer 'Vec' does not name a non-static data member or base class}}
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Index() : Vec() {} // before-warning {{unqualified base initializer of class templates is a Microsoft extension}}
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};
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template class Index<0>;
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template <typename T> class Array : public Vec<T, 4> {
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// after-error@+1 {{member initializer 'Vec' does not name a non-static data member or base class}}
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Array() : Vec() {} // before-warning {{unqualified base initializer of class templates is a Microsoft extension}}
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};
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template class Array<double>;
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template <typename T> class Wrong : public Vec<T, 4> {
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Wrong() : NonExistent() {} // expected-error {{member initializer 'NonExistent' does not name a non-static data member or base class}}
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};
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template class Wrong<double>;
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template <typename T> class Wrong2 : public Vec<T, 4> {
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Wrong2() : Vec<T>() {} // expected-error {{too few template arguments for class template 'Vec'}}
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};
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template class Wrong2<double>;
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template <typename T> class Wrong3 : public Vec<T, 4> {
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Wrong3() : Base() {} // expected-error {{member initializer 'Base' does not name a non-static data member or base class}}
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};
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template class Wrong3<double>;
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