libcxx/test/std/strings/basic.string/string.capacity/reserve.deprecated_in_cxx20.verify.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // <string>
  10
  11 // void reserve(); // Deprecated in C++20
  12
  13 // UNSUPPORTED: c++03, c++11, c++14, c++17
  14
  15 #include <string>
  16
  17 void f() {
  18   std::string s;
  19   s.reserve(); // expected-warning {{'reserve' is deprecated}}
  20 }