as(1) on Linux
The text 3d1e7210e35d, as Debian 1.1 (Buzz) shipped it.
Flags it lists
-
--defsym -
--mri -
-A -
-D -
-I -
-K -
-L -
-M -
-R -
-W -
-a -
-b -
-f -
-l -
-no-relax -
-o -
-v