[Bug middle-end/58570] [4.9 Regression] wrong code for bitfields at -O2 and above

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58570

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> ---
*** Bug 58677 has been marked as a duplicate of this bug. ***