1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index c54305c..9860a29 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -823,6 +823,8 @@ label_to_block_fn (struct function *ifun, tree dest)
       bsi_insert_before (&bsi, stmt, BSI_NEW_STMT);
       uid = LABEL_DECL_UID (dest);
     }
+  if (VARRAY_SIZE (ifun->cfg->x_label_to_block_map) <= (unsigned int)uid)
+    return NULL;
   return VARRAY_BB (ifun->cfg->x_label_to_block_map, uid);
 }