[Bug tree-optimization/104519] [12 Regression] wrong code at -Os on x86_64-linux-gnu and char as induction variable

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104519

Jiu Fu Guo <guojiufu at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |guojiufu at gcc dot gnu.org

--- Comment #4 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> ---
Had a quick bisect and test,  this PR and 104521 seems caused by 
r12-7052-g0898049ad9bf6c46e510b18aaafca4946802749f.