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

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

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

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
  /* Never tailcall something if we are generating code for Thumb-1.  */
  if (TARGET_THUMB1)
    return false;