clang/test/SemaCXX/coroutine-dealloc.cpp

   1 // Tests that the behavior will be good if there are multiple operator delete in the promise_type.
   2 // RUN: %clang_cc1 %s -std=c++20 %s -fsyntax-only -verify
   3 // expected-no-diagnostics
   4
   5 #include "Inputs/std-coroutine.h"
   6
   7 namespace std {
   8     typedef __SIZE_TYPE__ size_t;
   9     enum class align_val_t : size_t {};
  10 }
  11
  12 struct task {
  13   struct promise_type {
  14     auto initial_suspend() { return std::suspend_always{}; }
  15     auto final_suspend() noexcept { return std::suspend_always{}; }
  16     auto get_return_object() { return task{}; }
  17     void unhandled_exception() {}
  18     void return_value(int) {}
  19
  20     void operator delete(void *ptr, void *meaningless_placeholder);
  21     void operator delete(void *ptr);
  22   };
  23 };
  24
  25 task f() {
  26   co_return 43;
  27 }
  28
  29 // From https://github.com/llvm/llvm-project/issues/60545
  30 struct generator {
  31     struct promise_type {
  32         generator get_return_object();
  33         std::suspend_always initial_suspend();
  34         std::suspend_always final_suspend() noexcept;
  35         void return_void();
  36         [[noreturn]] void unhandled_exception();
  37
  38         static void* operator new(std::size_t size);
  39         static void operator delete(void* ptr, const std::size_t size);
  40     };
  41 };
  42
  43 generator goo() { co_return; }