[Bug rtl-optimization/90706] [10/11/12/13 Regression] Useless code generated for stack / register operations on AVR

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90706

--- Comment #21 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
(In reply to CVS Commits from comment #20)
> The releases/gcc-12 branch has been updated by Vladimir Makarov
> <vmakarov@gcc.gnu.org>:
> 
> https://gcc.gnu.org/g:88792f04e5c63025506244b9ac7186a3cc10c25a
> 
> 

The trunk with the patch behaved good for a few weeks.  So I backported it to
gcc-12 branch.  GCC-12 branch with the patch was successfully tested and
bootstrapped on x86-64.