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-rw-r--r--clang/lib/Frontend/InitPreprocessor.cpp2
1 files changed, 0 insertions, 2 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp
index 5aa2ea3fba1..b0fb124251e 100644
--- a/clang/lib/Frontend/InitPreprocessor.cpp
+++ b/clang/lib/Frontend/InitPreprocessor.cpp
@@ -540,8 +540,6 @@ 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");
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