1 files changed, 0 insertions, 48 deletions
diff --git a/clang-tools-extra/test/clang-tidy/performance-inefficient-string-concatenation.cpp b/clang-tools-extra/test/clang-tidy/performance-inefficient-string-concatenation.cpp
deleted file mode 100644
index 1dbd56b3222..00000000000
--- a/clang-tools-extra/test/clang-tidy/performance-inefficient-string-concatenation.cpp
+++ /dev/null
@@ -1,48 +0,0 @@
-// RUN: %check_clang_tidy %s performance-inefficient-string-concatenation %t
-
-namespace std {
-template <typename T>
-class basic_string {
-public:
-  basic_string() {}
-  ~basic_string() {}
-  basic_string<T> *operator+=(const basic_string<T> &) {}
-  friend basic_string<T> operator+(const basic_string<T> &, const basic_string<T> &) {}
-};
-typedef basic_string<char> string;
-typedef basic_string<wchar_t> wstring;
-}
-
-void f(std::string) {}
-std::string g(std::string) {}
-
-int main() {
-  std::string mystr1, mystr2;
-  std::wstring mywstr1, mywstr2;
-  auto myautostr1 = mystr1;
-  auto myautostr2 = mystr2;
-
-  for (int i = 0; i < 10; ++i) {
-    f(mystr1 + mystr2 + mystr1);
-    // CHECK-MESSAGES: :[[@LINE-1]]:23: warning: string concatenation results in allocation of unnecessary temporary strings; consider using 'operator+=' or 'string::append()' instead
-    mystr1 = mystr1 + mystr2;
-    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: string concatenation
-    mystr1 = mystr2 + mystr2 + mystr2;
-    // CHECK-MESSAGES: :[[@LINE-1]]:30: warning: string concatenation
-    mystr1 = mystr2 + mystr1;
-    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: string concatenation
-    mywstr1 = mywstr2 + mywstr1;
-    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: string concatenation
-    mywstr1 = mywstr2 + mywstr2 + mywstr2;
-    // CHECK-MESSAGES: :[[@LINE-1]]:33: warning: string concatenation
-    myautostr1 = myautostr1 + myautostr2;
-    // CHECK-MESSAGES: :[[@LINE-1]]:5: warning: string concatenation
-
-    mywstr1 = mywstr2 + mywstr2;
-    mystr1 = mystr2 + mystr2;
-    mystr1 += mystr2;
-    f(mystr2 + mystr1);
-    mystr1 = g(mystr1);
-  }
-  return 0;
-}