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-rw-r--r--clang/lib/Frontend/InitPreprocessor.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 5bdfa14884d..6fbc810ca55 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -540,7 +540,7 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts,
Builder.defineMacro("__cpp_noexcept_function_type", "201510");
Builder.defineMacro("__cpp_capture_star_this", "201603");
Builder.defineMacro("__cpp_if_constexpr", "201606");
- Builder.defineMacro("__cpp_deduction_guides", "201611");
+ Builder.defineMacro("__cpp_deduction_guides", "201703");
Builder.defineMacro("__cpp_template_auto", "201606");
Builder.defineMacro("__cpp_namespace_attributes", "201411");
Builder.defineMacro("__cpp_enumerator_attributes", "201411");
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