476 lines
13 KiB
C++
476 lines
13 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++98 -verify -fblocks %s
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namespace A {
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struct C {
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static int cx;
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static int cx2;
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static int Ag1();
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static int Ag2();
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};
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int ax; // expected-note {{'ax' declared here}}
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void Af();
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}
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A:: ; // expected-error {{expected unqualified-id}}
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::A::ax::undef ex3; // expected-error {{'ax' is not a class, namespace, or enumeration}}
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A::undef1::undef2 ex4; // expected-error {{no member named 'undef1'}}
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int A::C::Ag1() { return 0; }
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static int A::C::Ag2() { return 0; } // expected-error{{'static' can}}
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int A::C::cx = 17;
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static int A::C::cx2 = 17; // expected-error{{'static' can}}
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class C2 {
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void m(); // expected-note{{member declaration does not match because it is not const qualified}}
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void f(const int& parm); // expected-note{{type of 1st parameter of member declaration does not match definition ('const int &' vs 'int')}}
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void f(int) const; // expected-note{{member declaration does not match because it is const qualified}}
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void f(float);
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int x;
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};
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void C2::m() const { } // expected-error{{out-of-line definition of 'm' does not match any declaration in 'C2'}}
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void C2::f(int) { } // expected-error{{out-of-line definition of 'f' does not match any declaration in 'C2'}}
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void C2::m() {
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x = 0;
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}
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namespace B {
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void ::A::Af() {} // expected-error {{cannot define or redeclare 'Af' here because namespace 'B' does not enclose namespace 'A'}}
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}
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void f1() {
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void A::Af(); // expected-error {{definition or redeclaration of 'Af' not allowed inside a function}}
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void (^x)() = ^{ void A::Af(); }; // expected-error {{definition or redeclaration of 'Af' not allowed inside a block}}
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}
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void f2() {
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A:: ; // expected-error {{expected unqualified-id}}
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A::C::undef = 0; // expected-error {{no member named 'undef'}}
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::A::C::cx = 0;
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int x = ::A::ax = A::C::cx;
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x = sizeof(A::C);
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x = sizeof(::A::C::cx);
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}
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A::C c1;
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struct A::C c2;
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struct S : public A::C {};
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struct A::undef; // expected-error {{no struct named 'undef' in namespace 'A'}}
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namespace A2 {
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typedef int INT;
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struct RC;
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struct CC {
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struct NC;
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};
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}
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struct A2::RC {
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INT x;
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};
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struct A2::CC::NC {
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void m() {}
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};
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void f3() {
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N::x = 0; // expected-error {{use of undeclared identifier 'N'}}
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// FIXME: Consider including the kind of entity that 'N' is ("variable 'N'
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// declared here", "template 'X' declared here", etc) to help explain what it
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// is if it's 'not a class, namespace, or scoped enumeration'.
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int N; // expected-note {{'N' declared here}}
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N::x = 0; // expected-error {{'N' is not a class, namespace, or enumeration}}
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{ int A; A::ax = 0; }
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{ typedef int A; A::ax = 0; } // expected-error{{'A' (aka 'int') is not a class, namespace, or enumeration}}
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{ typedef A::C A; A::ax = 0; } // expected-error {{no member named 'ax'}}
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{ typedef A::C A; A::cx = 0; }
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}
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// make sure the following doesn't hit any asserts
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void f4(undef::C); // expected-error {{use of undeclared identifier 'undef'}}
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typedef void C2::f5(int); // expected-error{{typedef declarator cannot be qualified}}
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void f6(int A2::RC::x); // expected-error{{parameter declarator cannot be qualified}}
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int A2::RC::x; // expected-error{{non-static data member defined out-of-line}}
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void A2::CC::NC::m(); // expected-error{{out-of-line declaration of a member must be a definition}}
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namespace E {
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int X = 5;
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namespace Nested {
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enum E {
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X = 0
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};
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int f() {
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return E::X; // expected-warning{{use of enumeration in a nested name specifier is a C++11 extension}}
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}
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}
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}
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class Operators {
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Operators operator+(const Operators&) const; // expected-note{{member declaration does not match because it is const qualified}}
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operator bool();
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};
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Operators Operators::operator+(const Operators&) { // expected-error{{out-of-line definition of 'operator+' does not match any declaration in 'Operators'}}
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Operators ops;
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return ops;
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}
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Operators Operators::operator+(const Operators&) const {
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Operators ops;
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return ops;
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}
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Operators::operator bool() {
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return true;
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}
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namespace A {
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void g(int&); // expected-note{{type of 1st parameter of member declaration does not match definition ('int &' vs 'const int &')}}
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}
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void A::f() {} // expected-error-re{{out-of-line definition of 'f' does not match any declaration in namespace 'A'{{$}}}}
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void A::g(const int&) { } // expected-error{{out-of-line definition of 'g' does not match any declaration in namespace 'A'}}
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struct Struct { };
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void Struct::f() { } // expected-error{{out-of-line definition of 'f' does not match any declaration in 'Struct'}}
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void global_func(int);
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void global_func2(int);
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namespace N {
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void ::global_func(int) { } // expected-error{{definition or redeclaration of 'global_func' cannot name the global scope}}
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void f();
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// FIXME: if we move this to a separate definition of N, things break!
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}
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void ::global_func2(int) { } // expected-warning{{extra qualification on member 'global_func2'}}
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void N::f() { } // okay
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struct Y; // expected-note{{forward declaration of 'Y'}}
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Y::foo y; // expected-error{{incomplete type 'Y' named in nested name specifier}}
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namespace PR25156 {
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struct Y; // expected-note{{forward declaration of 'PR25156::Y'}}
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void foo() {
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Y::~Y(); // expected-error{{incomplete type 'PR25156::Y' named in nested name specifier}}
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}
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}
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X::X() : a(5) { } // expected-error{{use of undeclared identifier 'X'}}
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struct foo_S {
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static bool value;
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};
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bool (foo_S::value);
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namespace somens {
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struct a { }; // expected-note{{candidate constructor (the implicit copy constructor)}}
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}
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template <typename T>
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class foo {
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};
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// PR4452 / PR4451
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foo<somens:a> a2; // expected-error {{unexpected ':' in nested name specifier}}
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somens::a a3 = a2; // expected-error {{no viable conversion}}
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// typedefs and using declarations.
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namespace test1 {
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namespace ns {
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class Counter { public: static int count; };
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typedef Counter counter;
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}
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using ns::counter;
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class Test {
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void test1() {
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counter c;
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c.count++;
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counter::count++;
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}
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};
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}
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// We still need to do lookup in the lexical scope, even if we push a
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// non-lexical scope.
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namespace test2 {
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namespace ns {
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extern int *count_ptr;
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}
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namespace {
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int count = 0;
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}
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int *ns::count_ptr = &count;
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}
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// PR6259, invalid case
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namespace test3 {
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class A; // expected-note {{forward declaration}}
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void foo(const char *path) {
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A::execute(path); // expected-error {{incomplete type 'test3::A' named in nested name specifier}}
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}
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}
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namespace PR7133 {
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namespace A {
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class Foo;
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}
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namespace A {
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namespace B {
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bool foo(Foo &);
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}
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}
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bool A::B::foo(Foo &) {
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return false;
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}
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}
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class CLASS {
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void CLASS::foo2(); // expected-error {{extra qualification on member 'foo2'}}
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};
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namespace PR8159 {
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class B { };
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class A {
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int A::a; // expected-error{{extra qualification on member 'a'}}
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static int A::b; // expected-error{{extra qualification on member 'b'}}
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int ::c; // expected-error{{non-friend class member 'c' cannot have a qualified name}}
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};
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}
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namespace rdar7980179 {
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class A { void f0(); }; // expected-note {{previous}}
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int A::f0() {} // expected-error {{return type of out-of-line definition of 'rdar7980179::A::f0' differs}}
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}
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namespace alias = A;
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double *dp = (alias::C*)0; // expected-error{{cannot initialize a variable of type 'double *' with an rvalue of type 'alias::C *'}}
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// http://llvm.org/PR10109
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namespace PR10109 {
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template<typename T>
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struct A {
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protected:
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struct B;
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struct B::C; // expected-error {{requires a template parameter list}} \
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// expected-error {{no struct named 'C'}} \
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// expected-error{{non-friend class member 'C' cannot have a qualified name}}
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};
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template<typename T>
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struct A2 {
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protected:
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struct B;
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};
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template <typename T>
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struct A2<T>::B::C; // expected-error {{no struct named 'C'}}
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}
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namespace PR13033 {
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namespace NS {
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int a; // expected-note {{'NS::a' declared here}}
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int longer_b; //expected-note {{'NS::longer_b' declared here}}
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}
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// Suggest adding a namespace qualifier to both variable names even though one
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// is only a single character long.
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int foobar = a + longer_b; // expected-error {{use of undeclared identifier 'a'; did you mean 'NS::a'?}} \
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// expected-error {{use of undeclared identifier 'longer_b'; did you mean 'NS::longer_b'?}}
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}
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// <rdar://problem/13853540>
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namespace N {
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struct X { };
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namespace N {
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struct Foo {
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struct N::X *foo(); // expected-error{{no struct named 'X' in namespace 'N::N'}}
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};
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}
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}
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namespace TypedefNamespace { typedef int F; };
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TypedefNamespace::F::NonexistentName BadNNSWithCXXScopeSpec; // expected-error {{'TypedefNamespace::F' (aka 'int') is not a class, namespace, or enumeration}}
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namespace PR18587 {
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struct C1 {
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int a, b, c;
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typedef int C2;
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struct B1 {
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struct B2 {
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int a, b, c;
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};
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};
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};
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struct C2 { static const unsigned N1 = 1; };
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struct B1 {
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enum E1 { B2 = 2 };
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static const int B3 = 3;
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};
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const int N1 = 2;
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// Function declarators
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struct S1a { int f(C1::C2); };
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struct S1b { int f(C1:C2); }; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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struct S2a {
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C1::C2 f(C1::C2);
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};
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struct S2c {
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C1::C2 f(C1:C2); // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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struct S3a {
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int f(C1::C2), C2 : N1;
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int g : B1::B2;
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};
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struct S3b {
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int g : B1:B2; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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// Inside square brackets
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struct S4a {
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int f[C2::N1];
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};
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struct S4b {
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int f[C2:N1]; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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struct S5a {
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int f(int xx[B1::B3 ? C2::N1 : B1::B2]);
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};
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struct S5b {
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int f(int xx[B1::B3 ? C2::N1 : B1:B2]); // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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struct S5c {
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int f(int xx[B1:B3 ? C2::N1 : B1::B2]); // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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// Bit fields
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struct S6a {
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C1::C2 m1 : B1::B2;
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};
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struct S6c {
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C1::C2 m1 : B1:B2; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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struct S6d {
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int C2:N1;
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};
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struct S6e {
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static const int N = 3;
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B1::E1 : N;
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};
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struct S6g {
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C1::C2 : B1:B2; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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B1::E1 : B1:B2; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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// Template parameters
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template <int N> struct T1 {
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int a,b,c;
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static const unsigned N1 = N;
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typedef unsigned C1;
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};
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T1<C2::N1> var_1a;
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T1<C2:N1> var_1b; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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template<int N> int F() {}
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int (*X1)() = (B1::B2 ? F<1> : F<2>);
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int (*X2)() = (B1:B2 ? F<1> : F<2>); // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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// Bit fields + templates
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struct S7a {
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T1<B1::B2>::C1 m1 : T1<B1::B2>::N1;
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};
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struct S7b {
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T1<B1:B2>::C1 m1 : T1<B1::B2>::N1; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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struct S7c {
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T1<B1::B2>::C1 m1 : T1<B1:B2>::N1; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
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};
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}
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namespace PR16951 {
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namespace ns {
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enum an_enumeration {
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ENUMERATOR // expected-note{{'ENUMERATOR' declared here}}
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};
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}
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int x1 = ns::an_enumeration::ENUMERATOR; // expected-warning{{use of enumeration in a nested name specifier is a C++11 extension}}
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int x2 = ns::an_enumeration::ENUMERATOR::vvv; // expected-warning{{use of enumeration in a nested name specifier is a C++11 extension}} \
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// expected-error{{'ENUMERATOR' is not a class, namespace, or enumeration}} \
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int x3 = ns::an_enumeration::X; // expected-warning{{use of enumeration in a nested name specifier is a C++11 extension}} \
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// expected-error{{no member named 'X'}}
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enum enumerator_2 {
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ENUMERATOR_2
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};
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int x4 = enumerator_2::ENUMERATOR_2; // expected-warning{{use of enumeration in a nested name specifier is a C++11 extension}}
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int x5 = enumerator_2::X2; // expected-warning{{use of enumeration in a nested name specifier is a C++11 extension}} \
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// expected-error{{no member named 'X2' in 'PR16951::enumerator_2'}}
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}
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namespace PR30619 {
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c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d;
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// expected-error@-1 16{{unknown type name 'c'}}
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c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d;
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// expected-error@-1 16{{unknown type name 'c'}}
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c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d;
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// expected-error@-1 16{{unknown type name 'c'}}
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c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d; c d;
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// expected-error@-1 16{{unknown type name 'c'}}
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namespace A {
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class B {
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typedef C D; // expected-error{{unknown type name 'C'}}
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A::D::F;
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// expected-error@-1{{'PR30619::A::B::D' (aka 'int') is not a class, namespace, or enumeration}}
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};
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}
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}
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namespace DependentTemplateInTrivialNNSLoc {
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// This testcase causes us to create trivial type source info when doing
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// substitution into T::template g<>. That trivial type source info contained
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// a NestedNameSpecifierLoc with no location information.
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//
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// Previously, creating a CXXScopeSpec from that resulted in an invalid scope
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// spec, leading to crashes. Ensure we don't crash here.
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template <typename T> void f(T &x) {
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for (typename T::template g<> i : x) {} // expected-warning 0-1{{extension}}
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x: goto x;
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}
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}
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