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[clang][NFC] Add test for CWG1898 "Use of “equivalent” in overload resolution" #113439

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Merged
Endilll merged 3 commits into from
Oct 25, 2024
Merged

[clang][NFC] Add test for CWG1898 "Use of “equivalent” in overload resolution" #113439

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467c478
[clang][NFC] Add test for CWG1898 "Use of “equivalent” in overload re…
Endilll Oct 23, 2024
0a2d3e0
Address feedback and implement minor improvements
Endilll Oct 25, 2024
31a2934
Add examples with ellipsis and parameter packs
Endilll Oct 25, 2024
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45 changes: 45 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 @@ -640,3 +640,48 @@ namespace H {
struct S s;
}
}

namespace cwg1898 { // cwg1898: 2.7
void e(int) {} // #cwg1898-e-int
void e(int) {}
// expected-error@-1 {{redefinition of 'e'}}
// expected-note@#cwg1898-e-int {{previous definition is here}}
void e(long) {}

void f(int) {} // #cwg1898-f-int
void f(const int) {}
// expected-error@-1 {{redefinition of 'f'}}
// expected-note@#cwg1898-f-int {{previous definition is here}}

void g(int) {} // #cwg1898-g-int
void g(volatile int) {}
// since-cxx20-warning@-1 {{volatile-qualified parameter type 'volatile int' is deprecated}}
// expected-error@-2 {{redefinition of 'g'}}
// expected-note@#cwg1898-g-int {{previous definition is here}}

void h(int *) {} // #cwg1898-h-int
void h(int[]) {}
// expected-error@-1 {{redefinition of 'h'}}
// expected-note@#cwg1898-h-int {{previous definition is here}}

void i(int *) {} // #cwg1898-i-int
void i(int[2]) {}
// expected-error@-1 {{redefinition of 'i'}}
// expected-note@#cwg1898-i-int {{previous definition is here}}

void j(void(*)()) {} // #cwg1898-j-int
void j(void()) {}
// expected-error@-1 {{redefinition of 'j'}}
// expected-note@#cwg1898-j-int {{previous definition is here}}

struct A {
void k(int) {} // #cwg1898-k-int
void k(int) {}
// expected-error@-1 {{class member cannot be redeclared}}
// expected-note@#cwg1898-k-int {{previous definition is here}}
};

struct B : A {
void k(int) {}
};
} // namespace cwg1898
2 changes: 1 addition & 1 deletion clang/www/cxx_dr_status.html
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Expand Up @@ -11219,7 +11219,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
<td><a href="https://cplusplus.github.io/CWG/issues/1898.html">1898</a></td>
<td>CD6</td>
<td>Use of &#8220;equivalent&#8221; in overload resolution</td>
<td class="unknown" align="center">Unknown</td>
<td class="full" align="center">Clang 2.7</td>
</tr>
<tr id="1899">
<td><a href="https://cplusplus.github.io/CWG/issues/1899.html">1899</a></td>
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