02.25-coroutineParsingDataStreamCustomAllocator1 compile error with Ubuntu-GCC 12.1

[19317362]

The error message is hard to understand.
It seems like type-cast related.
main.cpp:284:1: error: ‘static void promise_type_base<T, G, InitialSuspend>::operator delete(void*, size_t) [with T = std::__cxx11::basic_string<char>; G = generator<std::__cxx11::basic_string<char>, false>; bool InitialSuspend = false]’ called on pointer returned from a mismatched allocation function [-Werror=mismatched-new-delete] 284 | } | ^ 02.25-coroutineParsingDataStreamCustomAllocator1/main.cpp:284:1: note: returned from ‘static void* promise_type_base<T, G, InitialSuspend>::operator new(size_t, arena&, TheRest&& ...) [with TheRest = {DataStreamReader&}; T = std::__cxx11::basic_string<char>; G = generator<std::__cxx11::basic_string<char>, false>; bool InitialSuspend = false]’ /home/wps/cpp20/coro-study/02.25-coroutineParsingDataStreamCustomAllocator1/main.cpp: In function ‘generator<std::byte> sender(arena&, std::vector<std::byte>)’: 02.25-coroutineParsingDataStreamCustomAllocator1/main.cpp:292:1: error: ‘static void promise_type_base<T, G, InitialSuspend>::operator delete(void*, size_t) [with T = std::byte; G = generator<std::byte>; bool InitialSuspend = true]’ called on pointer returned from a mismatched allocation function [-Werror=mismatched-new-delete] 292 | } | ^ 02.25-coroutineParsingDataStreamCustomAllocator1/main.cpp:292:1: note: returned from ‘static void* promise_type_base<T, G, InitialSuspend>::operator new(size_t, arena&, TheRest&& ...) [with TheRest = {std::vector<std::byte, std::allocator<std::byte> >&}; T = std::byte; G = generator<std::byte>; bool InitialSuspend = true]’ cc1plus: all warnings being treated as errors

[andreasfertig]

Hello @19317362,

as far as I can see, this is the result of a new warning in GCC mismatched-new-delete. I wasn't able to quickly understand what this warning is complaining about and whether this isn't a false positive.

However, you can disable this warning -Wnomismatched-new-delete to get the code working. I hope this helps.

Andreas