[Bug target/46187] Invalid instruction suffix generated by %z

[us15 at os dot inf.tu-dresden.de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46187

--- Comment #1 from Udo Steinberg <us15 at os dot inf.tu-dresden.de> 2010-10-26 
15:03:01 UTC ---
Bug #31768 is probably related.