[Bug tree-optimization/92128] fold more non-constant strlen relational expressions

[sihua at droid dot ac.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92128

Sihua <sihua at droid dot ac.cn> changed:

           What    |Removed                     |Added
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                 CC|                            |sihua at droid dot ac.cn

--- Comment #3 from Sihua <sihua at droid dot ac.cn> ---
Hi Martin,

  Just FYI, riscv* needs to be skipped on strlenopt-81.c as well.