https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69606
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-02-02 CC| |rguenther at suse dot de Version|6.0 |5.3.1 Target Milestone|--- |5.4 Summary|wrong code at -Os and above |[5/6 Regression] wrong code |on x86_64-linux-gnu |at -Os and above on | |x86_64-linux-gnu Ever confirmed|0 |1 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- It was caused by r220164.