X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/cb8d8bb9b6aec5b873e93d0bab91f0a4ab29d9b0..00cebd11d48e07065cd012929d96085cfe37d07b:/src/scan-code.l

diff --git a/src/scan-code.l b/src/scan-code.l
index cced97bf..f90916c1 100644
--- a/src/scan-code.l
+++ b/src/scan-code.l
@@ -1,6 +1,6 @@
 /* Bison Action Scanner                             -*- C -*-
 
-   Copyright (C) 2006-2013 Free Software Foundation, Inc.
+   Copyright (C) 2006-2015 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -342,8 +342,19 @@ show_sub_message (warnings warning,
     {
       static struct obstack msg_buf;
       const char *tail = explicit_bracketing ? "" : cp + strlen (var->id);
-      const char *id = var->hidden_by ? var->hidden_by->id : var->id;
-      location id_loc = var->hidden_by ? var->hidden_by->loc : var->loc;
+      const char *id;
+      location id_loc;
+
+      if (var->hidden_by)
+        {
+          id = var->hidden_by->id;
+          id_loc = var->hidden_by->loc;
+        }
+      else
+        {
+          id = var->id;
+          id_loc = var->loc;
+        }
 
       /* Create the explanation message. */
       obstack_init (&msg_buf);
@@ -573,9 +584,6 @@ parse_ref (char *cp, symbol_list *rule, int rule_length,
         return INVALID_REF;
       }
     }
-
-  /* Not reachable. */
-  return INVALID_REF;
 }
 
 /* Keeps track of the maximum number of semantic values to the left of