[Bug rtl-optimization/83162] [6/7/8 Regression] x86-64 -Wclobbered issuing more false alarms (regression)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83162

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Both warnings are emitted starting with r235980.  The first one appeared with
r226901.