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// Tests that we'll find aligned allocation function properly.
// RUN: %clang_cc1 %s -std=c++20 %s -fsyntax-only -verify -fcoro-aligned-allocation
#include "Inputs/std-coroutine.h"
namespace std {
typedef __SIZE_TYPE__ size_t;
enum class align_val_t : size_t {};
}
struct task {
struct promise_type {
auto initial_suspend() { return std::suspend_always{}; }
auto final_suspend() noexcept { return std::suspend_always{}; }
auto get_return_object() { return task{}; }
void unhandled_exception() {}
void return_value(int) {}
void *operator new(std::size_t); // expected-warning 1+{{under -fcoro-aligned-allocation, the non-aligned allocation function for the promise type 'f' has higher precedence than the global aligned allocation function}}
};
};
task f() {
co_return 43;
}
struct task2 {
struct promise_type {
auto initial_suspend() { return std::suspend_always{}; }
auto final_suspend() noexcept { return std::suspend_always{}; }
auto get_return_object() { return task2{}; }
void unhandled_exception() {}
void return_value(int) {}
void *operator new(std::size_t, std::align_val_t);
};
};
// no diagnostic expected
task2 f1() {
co_return 43;
}
struct task3 {
struct promise_type {
auto initial_suspend() { return std::suspend_always{}; }
auto final_suspend() noexcept { return std::suspend_always{}; }
auto get_return_object() { return task3{}; }
void unhandled_exception() {}
void return_value(int) {}
void *operator new(std::size_t, std::align_val_t) noexcept;
void *operator new(std::size_t) noexcept;
static auto get_return_object_on_allocation_failure() { return task3{}; }
};
};
// no diagnostic expected
task3 f2() {
co_return 43;
}
struct task4 {
struct promise_type {
auto initial_suspend() { return std::suspend_always{}; }
auto final_suspend() noexcept { return std::suspend_always{}; }
auto get_return_object() { return task4{}; }
void unhandled_exception() {}
void return_value(int) {}
void *operator new(std::size_t, std::align_val_t, int, double, int) noexcept;
};
};
// no diagnostic expected
task4 f3(int, double, int) {
co_return 43;
}
struct task5 {
struct promise_type {
auto initial_suspend() { return std::suspend_always{}; }
auto final_suspend() noexcept { return std::suspend_always{}; }
auto get_return_object() { return task5{}; }
void unhandled_exception() {}
void return_value(int) {}
};
};
// no diagnostic expected.
// The aligned allocation will be declared by the compiler.
task5 f4() {
co_return 43;
}
namespace std {
struct nothrow_t {};
constexpr nothrow_t nothrow = {};
}
struct task6 {
struct promise_type {
auto initial_suspend() { return std::suspend_always{}; }
auto final_suspend() noexcept { return std::suspend_always{}; }
auto get_return_object() { return task6{}; }
void unhandled_exception() {}
void return_value(int) {}
static task6 get_return_object_on_allocation_failure() { return task6{}; }
};
};
task6 f5() { // expected-error 1+{{unable to find '::operator new(size_t, align_val_t, nothrow_t)' for 'f5'}}
co_return 43;
}
void *operator new(std::size_t, std::align_val_t, std::nothrow_t) noexcept;
task6 f6() {
co_return 43;
}
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