[Bug tree-optimization/128434] BB SLP builds address vectors at function entry that are hoisted from rarely block inside of loop.

[hyeonseongyang09 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128434

--- Comment #1 from hyeonseongyang09 at gmail dot com ---
I found this thing when I optimizing a wasm runtime. This pattern is common in
implementing a computed goto.