https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70005
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-02-28 CC| |law at gcc dot gnu.org Target Milestone|--- |6.0 Summary|wrong code at -O2 and -O3 |[6 Regression] wrong code |on x86_64-linux-gnu |at -O2 and -O3 on | |x86_64-linux-gnu Ever confirmed|0 |1 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- It is caused by r232453.