[Bug ipa/111643] __attribute__((flatten)) with -O1 runs out of memory (killed cc1)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111643

--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Gcc does have tail call optimization which should allow the instrumentation
with less overhead. Though tail call optimization happens at -O2 and above only
(by default).