https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68470 Bug 68470 depends on bug 68721, which changed state.
Bug 68721 Summary: [6 Regression] wrong code at -Os and above on x86_64-linux-gnu https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68721 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED