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[clang] Cover CWG issues about export template #94876

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Merged
merged 5 commits into from
Jun 21, 2024
Merged

[clang] Cover CWG issues about export template #94876

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e4028ec
[clang] Cover CWG issues about `export template`
Endilll Jun 8, 2024
5116610
Merge remote-tracking branch 'upstream/main' into cwg-export-template
Endilll Jun 8, 2024
bce3e35
Add directives for C++20
Endilll Jun 8, 2024
7c7f1c5
Merge remote-tracking branch 'upstream/main' into cwg-export-template
Endilll Jun 20, 2024
2108825
Use the new colors for superseded CWG issues
Endilll Jun 20, 2024
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2 changes: 1 addition & 1 deletion clang/test/CXX/drs/cwg2xx.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ namespace cwg202 { // cwg202: 3.1
template struct X<f>;
}

// FIXME (export) cwg204: no
// cwg204: sup 820

namespace cwg206 { // cwg206: yes
struct S; // #cwg206-S
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4 changes: 2 additions & 2 deletions clang/test/CXX/drs/cwg3xx.cpp
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Expand Up @@ -377,7 +377,7 @@ namespace cwg322 { // cwg322: 2.8
int &s = a;
}

// cwg323: no
// cwg323: sup 820

namespace cwg324 { // cwg324: 3.6
struct S { int n : 1; } s; // #cwg324-n
Expand Down Expand Up @@ -587,7 +587,7 @@ namespace cwg334 { // cwg334: yes
template void f<S>();
}

// cwg335: no
// cwg335: sup 820

namespace cwg336 { // cwg336: yes
namespace Pre {
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25 changes: 15 additions & 10 deletions clang/test/CXX/drs/cwg8xx.cpp
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@@ -1,14 +1,19 @@
// RUN: %clang_cc1 -std=c++98 -triple x86_64-unknown-unknown %s -verify=expected -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-unknown %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++23 -triple x86_64-unknown-unknown %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++2c -triple x86_64-unknown-unknown %s -verify=expected,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++98 -triple x86_64-unknown-unknown %s -verify=expected,cxx98-17 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify=expected,cxx98-17,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify=expected,cxx98-17,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown %s -verify=expected,cxx98-17,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-unknown %s -verify=expected,since-cxx20,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++23 -triple x86_64-unknown-unknown %s -verify=expected,since-cxx20,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++2c -triple x86_64-unknown-unknown %s -verify=expected,since-cxx20,since-cxx11 -fexceptions -fcxx-exceptions -pedantic-errors

#if __cplusplus == 199711L
// expected-no-diagnostics
#endif
namespace cwg820 { // cwg820: 2.7
export template <class T> struct B {};
// cxx98-17-warning@-1 {{exported templates are unsupported}}
// since-cxx20-error@-2 {{export declaration can only be used within a module purview}}
export template<typename T> void f() {}
// cxx98-17-warning@-1 {{exported templates are unsupported}}
// since-cxx20-error@-2 {{export declaration can only be used within a module purview}}
}

namespace cwg873 { // cwg873: 3.0
#if __cplusplus >= 201103L
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8 changes: 4 additions & 4 deletions clang/www/cxx_dr_status.html
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Expand Up @@ -1269,7 +1269,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
<td><a href="https://cplusplus.github.io/CWG/issues/204.html">204</a></td>
<td>CD1</td>
<td>Exported class templates</td>
<td class="none" align="center">No</td>
<td class="full-superseded" align="center">Superseded by <a href="#820">820</a></td>
</tr>
<tr class="open" id="205">
<td><a href="https://cplusplus.github.io/CWG/issues/205.html">205</a></td>
Expand Down Expand Up @@ -1985,7 +1985,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
<td><a href="https://cplusplus.github.io/CWG/issues/323.html">323</a></td>
<td>CD1</td>
<td>Where must <TT>export</TT> appear?</td>
<td class="none" align="center">No</td>
<td class="full-superseded" align="center">Superseded by <a href="#820">820</a></td>
</tr>
<tr id="324">
<td><a href="https://cplusplus.github.io/CWG/issues/324.html">324</a></td>
Expand Down Expand Up @@ -2057,7 +2057,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
<td><a href="https://cplusplus.github.io/CWG/issues/335.html">335</a></td>
<td>CD1</td>
<td>Allowing <TT>export</TT> on template members of nontemplate classes</td>
<td class="none" align="center">No</td>
<td class="full-superseded" align="center">Superseded by <a href="#820">820</a></td>
</tr>
<tr id="336">
<td><a href="https://cplusplus.github.io/CWG/issues/336.html">336</a></td>
Expand Down Expand Up @@ -4921,7 +4921,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
<td><a href="https://cplusplus.github.io/CWG/issues/820.html">820</a></td>
<td>CD2</td>
<td>Deprecation of <TT>export</TT></td>
<td class="unknown" align="center">Unknown</td>
<td class="full" align="center">Clang 2.7</td>
</tr>
<tr id="822">
<td><a href="https://cplusplus.github.io/CWG/issues/822.html">822</a></td>
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