This revision was automatically updated to reflect the committed changes.
Closed by commit rG1bbaabb90dd7: [clang] Add test for CWG1710 and related
issues (authored by Endill).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D151697/new/
https://reviews.llvm.org/D151697
Files:
clang/test/CXX/drs/dr17xx.cpp
clang/test/CXX/drs/dr18xx.cpp
clang/test/CXX/drs/dr3xx.cpp
clang/www/cxx_dr_status.html
Index: clang/www/cxx_dr_status.html
===================================================================
--- clang/www/cxx_dr_status.html
+++ clang/www/cxx_dr_status.html
@@ -1923,7 +1923,7 @@
<td><a href="https://cplusplus.github.io/CWG/issues/314.html";>314</a></td>
<td>C++17</td>
<td><TT>template</TT> in base class specifier</td>
- <td class="none" align="center">Unknown</td>
+ <td class="none" align="center">No</td>
</tr>
<tr id="315">
<td><a href="https://cplusplus.github.io/CWG/issues/315.html";>315</a></td>
@@ -2097,7 +2097,7 @@
<td><a href="https://cplusplus.github.io/CWG/issues/343.html";>343</a></td>
<td>C++17</td>
<td>Make <TT>template</TT> optional in contexts that require a type</td>
- <td class="none" align="center">Unknown</td>
+ <td class="none" align="center">No</td>
</tr>
<tr id="344">
<td><a href="https://cplusplus.github.io/CWG/issues/344.html";>344</a></td>
@@ -10067,7 +10067,7 @@
<td><a href="https://cplusplus.github.io/CWG/issues/1710.html";>1710</a></td>
<td>C++17</td>
<td>Missing <TT>template</TT> keyword in <I>class-or-decltype</I></td>
- <td class="none" align="center">Unknown</td>
+ <td class="none" align="center">No</td>
</tr>
<tr id="1711">
<td><a href="https://cplusplus.github.io/CWG/issues/1711.html";>1711</a></td>
@@ -10571,7 +10571,7 @@
<td><a href="https://cplusplus.github.io/CWG/issues/1794.html";>1794</a></td>
<td>C++17</td>
<td><TT>template</TT> keyword and alias templates</td>
- <td class="none" align="center">Unknown</td>
+ <td class="full" align="center">Yes</td>
</tr>
<tr id="1795">
<td><a href="https://cplusplus.github.io/CWG/issues/1795.html";>1795</a></td>
@@ -10679,7 +10679,7 @@
<td><a href="https://cplusplus.github.io/CWG/issues/1812.html";>1812</a></td>
<td>C++17</td>
<td>Omission of <TT>template</TT> in a <I>typename-specifier</I></td>
- <td class="none" align="center">Unknown</td>
+ <td class="none" align="center">No</td>
</tr>
<tr id="1813">
<td><a href="https://cplusplus.github.io/CWG/issues/1813.html";>1813</a></td>
Index: clang/test/CXX/drs/dr3xx.cpp
===================================================================
--- clang/test/CXX/drs/dr3xx.cpp
+++ clang/test/CXX/drs/dr3xx.cpp
@@ -208,14 +208,20 @@
#endif
}
-namespace dr314 { // FIXME 314: dup 1710
- template<typename T> struct A {
- template<typename U> struct B {};
- };
- template<typename T> struct C : public A<T>::template B<T> {
- C() : A<T>::template B<T>() {}
- };
-}
+namespace dr314 { // dr314: no
+ // NB: dup 1710
+template <typename T> struct A {
+ template <typename U> struct B {};
+};
+template <typename T> struct C : public A<T>::template B<T> {
+ C() : A<T>::template B<T>() {}
+};
+template <typename T> struct C2 : public A<T>::B<T> {
+ // expected-error@-1 {{use 'template' keyword to treat 'B' as a dependent template name}}
+ C2() : A<T>::B<T>() {}
+ // expected-error@-1 {{use 'template' keyword to treat 'B' as a dependent template name}}
+};
+} // namespace dr314
// dr315: na
// dr316: sup 1004
@@ -591,7 +597,7 @@
// dr342: na
-namespace dr343 { // FIXME 343: no
+namespace dr343 { // dr343: no
// FIXME: dup 1710
template<typename T> struct A {
template<typename U> struct B {};
Index: clang/test/CXX/drs/dr18xx.cpp
===================================================================
--- clang/test/CXX/drs/dr18xx.cpp
+++ clang/test/CXX/drs/dr18xx.cpp
@@ -4,12 +4,23 @@
// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown %s -verify -fexceptions -Wno-deprecated-builtins -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-unknown %s -verify -fexceptions -Wno-deprecated-builtins -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++23 -triple x86_64-unknown-unknown %s -verify -fexceptions -Wno-deprecated-builtins -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++2c -triple x86_64-unknown-unknown %s -verify -fexceptions -Wno-deprecated-builtins -fcxx-exceptions -pedantic-errors
#if __cplusplus < 201103L
// expected-error@+1 {{variadic macro}}
#define static_assert(...) __extension__ _Static_assert(__VA_ARGS__)
#endif
+namespace dr1812 { // dr1812: no
+ // NB: dup 1710
+#if __cplusplus >= 201103L
+template <typename T> struct A {
+ using B = typename T::C<int>;
+ // expected-error@-1 {{use 'template' keyword to treat 'C' as a dependent template name}}
+};
+#endif
+} // namespace dr1812
+
namespace dr1813 { // dr1813: 7
struct B { int i; };
struct C : B {};
Index: clang/test/CXX/drs/dr17xx.cpp
===================================================================
--- clang/test/CXX/drs/dr17xx.cpp
+++ clang/test/CXX/drs/dr17xx.cpp
@@ -1,7 +1,22 @@
// RUN: %clang_cc1 -std=c++98 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++11 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
// RUN: %clang_cc1 -std=c++14 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
-// RUN: %clang_cc1 -std=c++1z %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++17 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++20 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++23 %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++2c %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+
+namespace dr1710 { // dr1710: no
+// FIXME: all of the following is well-formed
+template <typename T> struct D1 : T::template B<int>::template C<int> {};
+template <typename T> struct D2 : T::B<int>::template C<int> {};
+// expected-error@-1 {{use 'template' keyword to treat 'B' as a dependent template name}}
+template <typename T> struct D3 : T::template B<int>::C<int> {};
+// expected-error@-1 {{use 'template' keyword to treat 'C' as a dependent template name}}
+template <typename T> struct D4 : T::B<int>::C<int> {};
+// expected-error@-1 {{use 'template' keyword to treat 'B' as a dependent template name}}
+// expected-error@-2 {{use 'template' keyword to treat 'C' as a dependent template name}}
+} // namespace dr1710
namespace dr1715 { // dr1715: 3.9
#if __cplusplus >= 201103L
@@ -146,3 +161,18 @@
static_assert(noexcept(D()), "");
#endif
}
+
+namespace dr1794 { // dr1794: yes
+ // NB: dup 1710
+#if __cplusplus >= 201103L
+template <template <typename> class Template> struct Internal {
+ template <typename Arg> using Bind = Template<Arg>;
+};
+
+template <template <typename> class Template, typename Arg>
+using Instantiate = Template<Arg>;
+
+template <template <typename> class Template, typename Argument>
+using Bind = Instantiate<Internal<Template>::template Bind, Argument>;
+#endif
+} // namespace dr1794
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