From 76b9027f352a83c13c98820724071c5e3bea6232 Mon Sep 17 00:00:00 2001 From: Richard Smith Date: Thu, 9 May 2019 03:59:21 +0000 Subject: [c++20] Add support for explicit(bool), as described in P0892R2. Patch by Tyker! Differential Revision: https://reviews.llvm.org/D60934 llvm-svn: 360311 --- clang/lib/Frontend/InitPreprocessor.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'clang/lib/Frontend/InitPreprocessor.cpp') 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"); -- cgit v1.2.3