From c96ef5118857ff938aa6d304ccf7c0f9b81bc5ba Mon Sep 17 00:00:00 2001 From: Saar Raz Date: Sat, 18 Jan 2020 09:11:43 +0200 Subject: [Concepts] Requires Expressions Implement support for C++2a requires-expressions. Re-commit after compilation failure on some platforms due to alignment issues with PointerIntPair. Differential Revision: https://reviews.llvm.org/D50360 (cherry picked from commit a0f50d731639350c7a79f140f026c27a18215531) --- clang/lib/Frontend/InitPreprocessor.cpp | 3 +++ 1 file changed, 3 insertions(+) (limited to 'clang/lib/Frontend/InitPreprocessor.cpp') diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index 2c7e3a56c04..42e6fd88515 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -385,6 +385,9 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI, else Builder.defineMacro("__cplusplus", "199711L"); + if (LangOpts.ConceptsTS) + Builder.defineMacro("__cpp_concepts", "201707L"); + // C++1z [cpp.predefined]p1: // An integer literal of type std::size_t whose value is the alignment // guaranteed by a call to operator new(std::size_t) -- cgit v1.2.3