[Bug c/83324] [feature request] Pragma or special syntax for guaranteed tail calls

[andi-gcc at firstfloor dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83324

--- Comment #19 from Andi Kleen <andi-gcc at firstfloor dot org> ---
Middle/back-end parts are in, still need acks for the C/C++ frontend parts