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diff --git a/clang-tools-extra/clang-tidy/bugprone/UndelegatedConstructorCheck.h b/clang-tools-extra/clang-tidy/bugprone/UndelegatedConstructorCheck.h
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+++ b/clang-tools-extra/clang-tidy/bugprone/UndelegatedConstructorCheck.h
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+//===--- UndelegatedConstructorCheck.h - clang-tidy -------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNDELEGATEDCONSTRUCTOR_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNDELEGATEDCONSTRUCTOR_H
+
+#include "../ClangTidy.h"
+
+namespace clang {
+namespace tidy {
+namespace bugprone {
+
+/// Finds creation of temporary objects in constructors that look like a
+/// function call to another constructor of the same class.
+///
+/// The user most likely meant to use a delegating constructor or base class
+/// initializer.
+class UndelegatedConstructorCheck : public ClangTidyCheck {
+public:
+  UndelegatedConstructorCheck(StringRef Name, ClangTidyContext *Context)
+      : ClangTidyCheck(Name, Context) {}
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+};
+
+} // namespace bugprone
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_UNDELEGATEDCONSTRUCTOR_H