[Bug middle-end/126405] [15/16/17 Regression] Wrong code at -O2 on aarch64

[ktkachov at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126405

--- Comment #6 from ktkachov at gcc dot gnu.org ---
Fixed on trunk. Will backport after a day or two if no fallout