[Bug tree-optimization/122111] [16 regression] ICE during GIMPLE pass: widening_mul with -O3

[pan2.li at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122111

--- Comment #6 from Li Pan <pan2.li at intel dot com> ---
Seems riscv and x86 cannot reproduce this, reproduced from cross arm build.