diff --git a/gcc/combine.cc b/gcc/combine.cc
index a5fabf3..9c87bf9 100644
--- a/gcc/combine.cc
+++ b/gcc/combine.cc
@@ -128,6 +128,10 @@ static rtx i2mod_old_rhs;
 /* When I2MOD is nonnull, this is a copy of the new right hand side.  */
 
 static rtx i2mod_new_rhs;
+
+/* Nonzero after end of combine pass.  */
+
+int combine_completed = 0;
 
 struct reg_stat_type {
   /* Record last point of death of (hard or pseudo) register n.  */
@@ -14991,6 +14995,7 @@ rest_of_handle_combine (void)
     }
 
   regstat_free_n_sets_and_refs ();
+  combine_completed = 1;
   return 0;
 }
 
diff --git a/gcc/final.cc b/gcc/final.cc
index 0352786..0fc2695 100644
--- a/gcc/final.cc
+++ b/gcc/final.cc
@@ -4513,6 +4513,7 @@ rest_of_clean_state (void)
   flag_rerun_cse_after_global_opts = 0;
   reload_completed = 0;
   epilogue_completed = 0;
+  combine_completed = 0;
 #ifdef STACK_REGS
   regstack_completed = 0;
 #endif
diff --git a/gcc/rtl.h b/gcc/rtl.h
index 488016b..3bb92bd 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -4105,6 +4105,9 @@ extern int reload_in_progress;
 /* Set to 1 while in lra.  */
 extern int lra_in_progress;
 
+/* Nonzero after end of combine pass.  */
+extern int combine_completed;
+
 /* This macro indicates whether you may create a new
    pseudo-register.  */