[2025-06 LWG Motion 34] P3552R3 Add a Coroutine Task

source/exceptions.tex

@@ -1126,7 +1126,10 @@
 when \tcode{unhandled_stopped} is called on
 a \tcode{with_awaitable_senders<T>} object\iref{exec.with.awaitable.senders}
 whose continuation is not a handle to a coroutine
-whose promise type has an \tcode{unhandled_stopped} member function.
+whose promise type has an \tcode{unhandled_stopped} member function, or
+
+\item%
+when an exception is thrown from a coroutine \tcode{std::execution::task}\iref{exec.task} which doesn't support a \tcode{std::execution::set_error_t(std::execption_ptr)} completion.
 
 \end{itemize}