forked from OSchip/llvm-project
309 lines
10 KiB
C++
309 lines
10 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -fcxx-exceptions %s
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// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -fcxx-exceptions -std=c++98 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -fcxx-exceptions -std=c++11 %s
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class C;
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class C {
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public:
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protected:
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typedef int A,B;
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static int sf(), u;
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struct S {};
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enum {}; // expected-warning{{declaration does not declare anything}}
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int; // expected-warning {{declaration does not declare anything}}
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int : 1, : 2;
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public:
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void m0() {}; // ok, one extra ';' is permitted
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void m1() {}
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; // ok, one extra ';' is permitted
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void m() {
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int l = 2;
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};; // expected-warning{{extra ';' after member function definition}}
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template<typename T> void mt(T) { }
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;
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; // expected-warning{{extra ';' inside a class}}
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virtual int vf() const volatile = 0;
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virtual int vf0() = 0l; // expected-error {{does not look like a pure-specifier}}
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virtual int vf1() = 1; // expected-error {{does not look like a pure-specifier}}
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virtual int vf2() = 00; // expected-error {{does not look like a pure-specifier}}
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virtual int vf3() = 0x0; // expected-error {{does not look like a pure-specifier}}
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virtual int vf4() = 0.0; // expected-error {{does not look like a pure-specifier}}
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virtual int vf5(){0}; // expected-error +{{}} expected-warning {{unused}}
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virtual int vf5a(){0;}; // function definition, expected-warning {{unused}}
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virtual int vf6()(0); // expected-error +{{}} expected-note +{{}}
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virtual int vf7() = { 0 }; // expected-error {{does not look like a pure-specifier}}
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virtual int PR45267() = \
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0; // ok, despite escaped newline
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private:
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int x,f(),y,g();
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inline int h();
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static const int sci = 10;
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mutable int mi;
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};
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void glo()
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{
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struct local {};
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}
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// PR3177
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typedef union {
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__extension__ union {
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int a;
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float b;
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} y;
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} bug3177;
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// check that we don't consume the token after the access specifier
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// when it's not a colon
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class D {
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public // expected-error{{expected ':'}}
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int i;
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};
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// consume the token after the access specifier if it's a semicolon
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// that was meant to be a colon
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class E {
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public; // expected-error{{expected ':'}}
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int i;
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};
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class F {
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int F1 { return 1; }
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#if __cplusplus <= 199711L
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// expected-error@-2 {{function definition does not declare parameters}}
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#else
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// expected-error@-4 {{expected expression}}
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// expected-error@-5 {{expected}}
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// expected-note@-6 {{to match this '{'}}
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// expected-error@-7 {{expected ';' after class}}
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#endif
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void F2 {}
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#if __cplusplus <= 199711L
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// expected-error@-2 {{function definition does not declare parameters}}
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#else
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// expected-error@-4 {{variable has incomplete type 'void'}}
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// expected-error@-5 {{expected ';' after top level declarator}}
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#endif
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typedef int F3() { return 0; } // expected-error{{function definition declared 'typedef'}}
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typedef void F4() {} // expected-error{{function definition declared 'typedef'}}
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};
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#if __cplusplus >= 201103L
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// expected-error@-2 {{extraneous closing brace}}
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#endif
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namespace ctor_error {
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class Foo {};
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// By [class.qual]p2, this is a constructor declaration.
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Foo::Foo (F) = F(); // expected-error{{does not match any declaration in 'ctor_error::Foo'}}
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class Ctor { // expected-note{{not complete until the closing '}'}}
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Ctor(f)(int); // ok
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Ctor(g(int)); // ok
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Ctor(x[5]); // expected-error{{incomplete type}}
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Ctor(UnknownType *); // expected-error{{unknown type name 'UnknownType'}}
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void operator+(UnknownType*); // expected-error{{unknown type name 'UnknownType'}}
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};
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Ctor::Ctor (x) = { 0 }; // \
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// expected-error{{qualified reference to 'Ctor' is a constructor name}}
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Ctor::Ctor(UnknownType *) {} // \
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// expected-error{{unknown type name 'UnknownType'}}
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void Ctor::operator+(UnknownType*) {} // \
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// expected-error{{unknown type name 'UnknownType'}}
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}
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namespace nns_decl {
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struct A {
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struct B;
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};
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namespace N {
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union C;
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}
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struct A::B; // expected-error {{forward declaration of struct cannot have a nested name specifier}}
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union N::C; // expected-error {{forward declaration of union cannot have a nested name specifier}}
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}
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// PR13775: Don't assert here.
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namespace PR13775 {
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class bar
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{
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public:
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void foo ();
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void baz ();
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};
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void bar::foo ()
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{
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baz x(); // expected-error 3{{}}
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}
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}
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class pr16989 {
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void tpl_mem(int *) {
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return;
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class C2 {
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void f();
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};
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void C2::f() {} // expected-error{{function definition is not allowed here}}
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};
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};
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namespace CtorErrors {
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struct A {
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A(NonExistent); // expected-error {{unknown type name 'NonExistent'}}
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};
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struct B {
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B(NonExistent) : n(0) {} // expected-error {{unknown type name 'NonExistent'}}
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int n;
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};
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struct C {
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C(NonExistent) try {} catch (...) {} // expected-error {{unknown type name 'NonExistent'}}
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};
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struct D {
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D(NonExistent) {} // expected-error {{unknown type name 'NonExistent'}}
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};
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}
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namespace DtorErrors {
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struct A { ~A(); int n; } a;
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~A::A() { n = 0; } // expected-error {{'~' in destructor name should be after nested name specifier}} expected-note {{previous}}
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A::~A() {} // expected-error {{redefinition}}
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struct B { ~B(); } *b;
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DtorErrors::~B::B() {} // expected-error {{'~' in destructor name should be after nested name specifier}}
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void f() {
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a.~A::A(); // expected-error {{'~' in destructor name should be after nested name specifier}}
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b->~DtorErrors::~B::B(); // expected-error {{'~' in destructor name should be after nested name specifier}}
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}
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struct C; // expected-note {{forward decl}}
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~C::C() {} // expected-error {{incomplete}} expected-error {{'~' in destructor name should be after nested name specifier}}
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struct D { struct X {}; ~D() throw(X); };
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~D::D() throw(X) {} // expected-error {{'~' in destructor name should be after nested name specifier}}
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~Undeclared::Undeclared() {} // expected-error {{use of undeclared identifier 'Undeclared'}} expected-error {{'~' in destructor name should be after nested name specifier}}
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~Undeclared:: {} // expected-error {{expected identifier}} expected-error {{'~' in destructor name should be after nested name specifier}}
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struct S {
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// For another struct's destructor, emit the same diagnostic like for
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// A::~A() in addition to the "~ in the wrong place" one.
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~A::A() {} // expected-error {{'~' in destructor name should be after nested name specifier}} expected-error {{non-friend class member '~A' cannot have a qualified name}}
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A::~A() {} // expected-error {{non-friend class member '~A' cannot have a qualified name}}
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// An inline destructor with a redundant class name should also get the
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// same diagnostic as S::~S.
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~S::S() {} // expected-error {{'~' in destructor name should be after nested name specifier}} expected-error {{extra qualification on member '~S'}}
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// This just shouldn't crash.
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int I; // expected-note {{declared here}}
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~I::I() {} // expected-error {{'I' is not a class, namespace, or enumeration}} expected-error {{'~' in destructor name should be after nested name specifier}}
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};
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struct T {};
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T t1 = t1.T::~T<int>; // expected-error {{destructor name 'T' does not refer to a template}}
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// Emit the same diagnostic as for the previous case, plus something about ~.
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T t2 = t2.~T::T<int>; // expected-error {{'~' in destructor name should be after nested name specifier}} expected-error {{destructor name 'T' does not refer to a template}}
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}
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namespace BadFriend {
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struct A {
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friend int : 3; // expected-error {{friends can only be classes or functions}}
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friend void f() = 123; // expected-error {{illegal initializer}}
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friend virtual void f(); // expected-error {{'virtual' is invalid in friend declarations}}
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friend void f() final; // expected-error {{'final' is invalid in friend declarations}}
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friend void f() override; // expected-error {{'override' is invalid in friend declarations}}
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};
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}
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class PR20760_a {
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int a = ); // expected-error {{expected expression}}
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#if __cplusplus <= 199711L
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// expected-warning@-2 {{in-class initialization of non-static data member is a C++11 extension}}
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#endif
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int b = }; // expected-error {{expected expression}}
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#if __cplusplus <= 199711L
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// expected-warning@-2 {{in-class initialization of non-static data member is a C++11 extension}}
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#endif
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int c = ]; // expected-error {{expected expression}}
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#if __cplusplus <= 199711L
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// expected-warning@-2 {{in-class initialization of non-static data member is a C++11 extension}}
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#endif
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};
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class PR20760_b {
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int d = d); // expected-error {{expected ';'}}
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#if __cplusplus <= 199711L
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// expected-warning@-2 {{in-class initialization of non-static data member is a C++11 extension}}
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#endif
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int e = d]; // expected-error {{expected ';'}}
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#if __cplusplus <= 199711L
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// expected-warning@-2 {{in-class initialization of non-static data member is a C++11 extension}}
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#endif
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int f = d // expected-error {{expected ';'}}
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#if __cplusplus <= 199711L
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// expected-warning@-2 {{in-class initialization of non-static data member is a C++11 extension}}
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#endif
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};
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namespace PR20887 {
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class X1 { a::operator=; }; // expected-error {{undeclared identifier 'a'}}
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class X2 { a::a; }; // expected-error {{undeclared identifier 'a'}}
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}
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class BadExceptionSpec {
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void f() throw(int; // expected-error {{expected ')'}} expected-note {{to match}}
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void g() throw(
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int(
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; // expected-error {{unexpected ';' before ')'}}
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));
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};
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namespace PR41192 {
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extern struct A a;
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struct A {} ::PR41192::a; // ok, no missing ';' here expected-warning {{extra qualification}}
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#if __cplusplus >= 201103L
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struct C;
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struct D { static C c; };
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struct C {} decltype(D())::c; // expected-error {{'decltype' cannot be used to name a declaration}}
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#endif
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}
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namespace ArrayMemberAccess {
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struct A {
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int x;
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template<typename T> int f() const;
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};
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void f(const A (&a)[]) {
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// OK: not a template-id.
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bool cond = a->x < 10 && a->x > 0;
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// OK: a template-id.
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a->f<int>();
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}
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}
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namespace UndeclaredBaseTemplate {
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template<class> struct imp;
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template<class T> struct is_member_function_pointer : undeclared<imp<T>::member> {}; // expected-error {{unknown template name 'undeclared'}}
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}
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// PR11109 must appear at the end of the source file
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class pr11109r3 { // expected-note{{to match this '{'}}
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public // expected-error{{expected ':'}} expected-error{{expected '}'}} expected-error{{expected ';' after class}}
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