http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58111
Bernd Edlinger <bernd.edlinger at hotmail dot de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bernd.edlinger at hotmail dot de --- Comment #1 from Bernd Edlinger <bernd.edlinger at hotmail dot de> --- I see the same issue on i686-pc-linux-gnu. The simple solution would be to change the test case: The notb instruction would go away if -O3 is used instead of -O2.