[Bug c/120780] Missed __builtin_dynamic_object_size optimization(?)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120780

--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
https://lore.kernel.org/all/ckgcjbkp3lljmnbxvpn7rssy3clc44w5puircmcczh45xu3mkl@q3e5mowwtd4q/