[Bug tree-optimization/102622] [9/10/12 Regression] Wrong code with -O1 and above due to phiopt and signed one bit integer types

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102622

--- Comment #18 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 51579
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51579&action=edit
Patch which I am testing

Patch which I am testing, it works for the testcase but I have not done a full
bootstrap/test yet.