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[clang] Add test for CWG1820 "Qualified typedef names" #91765

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Merged
merged 1 commit into from
May 11, 2024
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[clang] Add test for CWG1820 "Qualified typedef names" #91765

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47 changes: 47 additions & 0 deletions clang/test/CXX/drs/cwg18xx.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -222,6 +222,53 @@ namespace cwg1815 { // cwg1815: no
#endif
}

namespace cwg1820 { // cwg1820: 3.5
typedef int A;
typedef int cwg1820::A;
// expected-warning@-1 {{extra qualification on member 'A'}}
// expected-error@-2 {{typedef declarator cannot be qualified}}

namespace B {
typedef int cwg1820::A;
// expected-error@-1 {{cannot define or redeclare 'A' here because namespace 'B' does not enclose namespace 'cwg1820'}}
// expected-error@-2 {{typedef declarator cannot be qualified}}
}

class C1 {
typedef int cwg1820::A;
// expected-error@-1 {{non-friend class member 'A' cannot have a qualified name}}
// expected-error@-2 {{typedef declarator cannot be qualified}}
};

template <typename>
class C2 {
typedef int cwg1820::A;
// expected-error@-1 {{non-friend class member 'A' cannot have a qualified name}}
// expected-error@-2 {{typedef declarator cannot be qualified}}
};

void d1() {
typedef int cwg1820::A;
// expected-error@-1 {{definition or redeclaration of 'A' not allowed inside a function}}
// expected-error@-2 {{typedef declarator cannot be qualified}}
}

template<typename>
void d2() {
typedef int cwg1820::A;
// expected-error@-1 {{definition or redeclaration of 'A' not allowed inside a function}}
// expected-error@-2 {{typedef declarator cannot be qualified}}
}

#if __cplusplus >= 201103L
auto e = [] {
typedef int cwg1820::A;
// expected-error@-1 {{definition or redeclaration of 'A' not allowed inside a function}}
// expected-error@-2 {{typedef declarator cannot be qualified}}
};
#endif
} // namespace cwg1820

namespace cwg1821 { // cwg1821: 2.9
struct A {
template <typename> struct B {
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2 changes: 1 addition & 1 deletion clang/www/cxx_dr_status.html
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Expand Up @@ -10728,7 +10728,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
<td><a href="https://cplusplus.github.io/CWG/issues/1820.html">1820</a></td>
<td>CD6</td>
<td>Qualified typedef names</td>
<td class="unknown" align="center">Unknown</td>
<td class="full" align="center">Clang 3.5</td>
</tr>
<tr id="1821">
<td><a href="https://cplusplus.github.io/CWG/issues/1821.html">1821</a></td>
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