diff --git a/gcc/ira.cc b/gcc/ira.cc
index 42c9cead9f8e087c47b510f8fdf6aab217f162db..d28a67b2546f1a160761ba342e4e98151af43e84 100644
--- a/gcc/ira.cc
+++ b/gcc/ira.cc
@@ -5718,6 +5718,7 @@ ira (FILE *f)
     regstat_free_ri ();
     regstat_init_n_sets_and_refs ();
     regstat_compute_ri ();
+    resize_reg_info ();
   };
 
   int max_regno_before_rm = max_reg_num ();