[Bug rtl-optimization/67226] Incorrect code generated for tail call, where parameters are structs passed by value, -O2 is used, and target is ARM

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67226

--- Comment #5 from ktkachov at gcc dot gnu.org ---
proposed patch:
https://gcc.gnu.org/ml/gcc-patches/2015-11/msg02923.html