[Bug tree-optimization/119493] [12/13/14/15 Regression] missing tail call to self with struct in some cases

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119493

--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 60927
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60927&action=edit
gcc15-pr119493.patch

Untested patch to handle copying of non-gimple_reg_type arguments for tail
recursion.