[WIP] attempted gcc ICE fix

Author: vinniefalco

include/boost/capy/io/write_now.hpp

@@ -332,16 +332,16 @@ class write_now
         consuming_buffers cb(buffers);
         while(total_written < total_size)
         {
-            auto r =
-                co_await stream_.write_some(cb);
+            auto r = co_await stream_.write_some(cb);
             if(r.ec)
-                co_return io_result<std::size_t>{
-                    r.ec, total_written};
+            {
+                io_result<std::size_t> result{r.ec, total_written};
+                co_return result;
             cb.consume(r.t1);
             total_written += r.t1;
         }
-        co_return io_result<std::size_t>{
-            {}, total_written};
+        io_result<std::size_t> result{{}, total_written};
+        co_return result;
     }
 #else
     template<ConstBufferSequence Buffers>