1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c
index d0625c5..f896354 100644
--- a/gcc/tree-ssa-loop-unswitch.c
+++ b/gcc/tree-ssa-loop-unswitch.c
@@ -253,7 +253,10 @@ tree_unswitch_single_loop (struct loops *loops, struct loop *loop, int num)
   /* Unswitch the loop on this condition.  */
   nloop = tree_unswitch_loop (loops, loop, bbs[i], cond);
   if (!nloop)
-    return changed;
+    {
+      free_original_copy_tables ();
+      return changed;
+    }
 
   /* Update the SSA form after unswitching.  */
   update_ssa (TODO_update_ssa);