http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46749
--- Comment #13 from Iain Sandoe <iains at gcc dot gnu.org> 2010-12-01 21:20:36 UTC --- with -save-temps, dsymutil _is_ called and, indeed, the file complained about is absent. (I've a hunch that this could be related to the changes for simple-obj).
