[Bug tree-optimization/102364] [12 Regression] wrong code at -O1 and above on x86_64-linux-gnu since r12-3136-g3673dcf6d6baeb67

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102364

--- Comment #2 from Jiu Fu Guo <guojiufu at gcc dot gnu.org> ---
This is also the case that two ivs are combined into inaccurate step:

"{3,+,1} < {11,+,2}" was transformed to "{3,+,-1} < {11,+,0}". 
The new condition is not same with the original one.