[Bug c++/116329] Arm M0+ doesn't do tail-call optimization

[terrygreeniaus at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116329

--- Comment #1 from Terry Greeniaus <terrygreeniaus at gmail dot com> ---
I was using -O2 as well when compiling, which I omitted from the bug report by
accident.