diff options
Diffstat (limited to 'clang/lib/Frontend/InitPreprocessor.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index b0fb124251e..5aa2ea3fba1 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -540,6 +540,8 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts, Builder.defineMacro("__cpp_template_template_args", "201611L"); // C++20 features. + if (LangOpts.CPlusPlus2a) + Builder.defineMacro("__cpp_conditional_explicit", "201806L"); if (LangOpts.Char8) Builder.defineMacro("__cpp_char8_t", "201811L"); Builder.defineMacro("__cpp_impl_destroying_delete", "201806L"); |
