[Bug tree-optimization/128070] -O3 cunrolli growth on many small loops, super-linear compile time and memory

[yuki.tanaka at defaultcase dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128070

--- Comment #3 from yuki.tanaka at defaultcase dot de ---
Started with r12-3918-g5b8b1522e04adc (PR tree-optimization/100112).