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-rw-r--r--clang/lib/Frontend/InitPreprocessor.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index e5a07962d83..11d58ed2eb7 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -522,6 +522,8 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
Builder.defineMacro("__cpp_structured_bindings", "201606");
Builder.defineMacro("__cpp_nontype_template_args", "201411");
Builder.defineMacro("__cpp_fold_expressions", "201603");
+ // FIXME: This is not yet listed in SD-6.
+ Builder.defineMacro("__cpp_deduction_guides", "201611");
}
if (LangOpts.AlignedAllocation)
Builder.defineMacro("__cpp_aligned_new", "201606");
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