* gcse.c (local_cprop_pass): Update reg_sets table when needed.

From-SVN: r61799

1 files changed, 6 insertions, 1 deletions

diff --git a/gcc/gcse.c b/gcc/gcse.c
index 272e39a..cf724f4 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -4422,7 +4422,12 @@ local_cprop_pass (alter_jumps)
   cselib_finish ();
   /* Global analysis may get into infinite loops for unreachable blocks.  */
   if (changed && alter_jumps)
-    delete_unreachable_blocks ();
+    {
+      delete_unreachable_blocks ();
+      free_reg_set_mem ();
+      alloc_reg_set_mem (max_reg_num ());
+      compute_sets (get_insns ());
+    }
 }
 
 /* Forward propagate copies.  This includes copies and constants.  Return