[Bug rtl-optimization/118591] [lra][avr] Wrong code with -mlra in pr43879-3.c

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118591

--- Comment #5 from Denis Chertykov <denisc at gcc dot gnu.org> ---
The patch is simple.

diff --git a/gcc/lra-constraints.cc b/gcc/lra-constraints.cc
index 7dbc7fe1e00..6c86e4f8f6c 100644
--- a/gcc/lra-constraints.cc
+++ b/gcc/lra-constraints.cc
@@ -5883,8 +5883,8 @@ static bool
 inherit_reload_reg (bool def_p, int original_regno,
                    enum reg_class cl, rtx_insn *insn, rtx next_usage_insns)
 {
-  if (optimize_function_for_size_p (cfun))
-    return false;
+  //  if (optimize_function_for_size_p (cfun))
+  //    return false;

   enum reg_class rclass = lra_get_allocno_class (original_regno);
   rtx original_reg = regno_reg_rtx[original_regno];