http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50521
--- Comment #6 from Tomohiro Kashiwada <kikairoya at gmail dot com> 2011-10-28 01:32:42 UTC --- (In reply to comment #5) > Is this related to the strict volatile bitfields change in trunk revision > 171347? > http://gcc.gnu.org/viewcvs/trunk/gcc/expr.c?view=log&pathrev=171347 No, r171347 and r171346 generates same wrong code.