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Mark the major papers for C++20 consistent comparisons as "done", and 

start publishing the corresponding feature-test macro.
This commit is contained in:
Richard Smith 2019-12-15 22:20:06 -08:00
parent 4a4e90a823
commit bc633a42dd
3 changed files with 6 additions and 2 deletions
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1
clang/lib/Frontend/InitPreprocessor.cpp
View File

@ -546,6 +546,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
Builder.defineMacro("__cpp_conditional_explicit", "201806L");
Builder.defineMacro("__cpp_constexpr_dynamic_alloc", "201907L");
Builder.defineMacro("__cpp_constinit", "201907L");
Builder.defineMacro("__cpp_impl_three_way_comparison", "201907L");
}
if (LangOpts.Char8)
Builder.defineMacro("__cpp_char8_t", "201811L");

4
clang/test/Lexer/cxx-features.cpp
View File

@ -46,6 +46,10 @@
#error "wrong value for __cpp_impl_destroying_delete"
#endif
#if check(impl_three_way_comparison, 0, 0, 0, 0, 201907)
#error "wrong value for __cpp_impl_three_way_comparison"
#endif
// --- C++17 features ---
#if check(hex_float, 0, 0, 0, 201603, 201603)

3
clang/www/cxx_status.html
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@ -926,11 +926,10 @@ as the draft C++2a standard evolves.
<tr>
<td rowspan="8">Consistent comparison (<tt>operator&lt;=&gt;</tt>)</td>
<td><a href="https://wg21.link/p0515r3">P0515R3</a></td>
<td class="partial" align="center">Partial</td>
<td rowspan="2" class="svn" align="center">SVN</td>
</tr>
<tr> <!-- from Jacksonville -->
<td><a href="https://wg21.link/p0905r1">P0905R1</a></td>
<td class="svn" align="center">SVN</td>
</tr>
<tr> <!-- from Rapperswil -->
<td><a href="https://wg21.link/p1120r0">P1120R0</a></td>