[Bug debug/105239] Presence of unrelated function call makes a variable optimized out only at -Og

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105239

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
The difference materializes somewhere on the RTL side.