[Bug tree-optimization/122226] LICM missing opportunity

[matt at godbolt dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122226

--- Comment #2 from Matt Godbolt <matt at godbolt dot org> ---
Thanks Andrew! I thought I was losing my mind, I figured some kind of aliasing
analysis, or some other deep dark corner of the language (but the optimisation
report didn't say anything about that). Thank you for the update, I may have
missed an existing bug as I didn't suspect CSE.