[Bug tree-optimization/127405] [14/15/16 Regression] wrong code at -O3 with a reverse loop over std::vector

[zerocool_85 at hotmail dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127405

--- Comment #7 from zerocool_85 at hotmail dot de ---
Thanks. It seems to be fixed in the trunk.
Will it be automatically backported to older branches like 15.x / 16.x?