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

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

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

--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
If it happens at runtime, better testcase would be to test it at runtime...