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-rw-r--r--clang/lib/Frontend/InitPreprocessor.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 8e62461..4f2856d 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -765,6 +765,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
// C++26 features supported in earlier language modes.
Builder.defineMacro("__cpp_pack_indexing", "202311L");
Builder.defineMacro("__cpp_deleted_function", "202403L");
+ Builder.defineMacro("__cpp_variadic_friend", "202403L");
if (LangOpts.Char8)
Builder.defineMacro("__cpp_char8_t", "202207L");