Remove dead code.

[Joel E. Denny]

I pushed this to master and branch-2.5.

>From f74d6d25914371ed894583a69f99d547f9f283bf Mon Sep 17 00:00:00 2001
From: Joel E. Denny <address@hidden>
Date: Sat, 3 Oct 2009 11:53:05 -0400
Subject: [PATCH] Remove dead code.

* src/symtab.c (symbol_pack): Here because every symbol's number
is always defined by this time.
---
 ChangeLog    |    6 ++++++
 src/symtab.c |   28 ++++------------------------
 2 files changed, 10 insertions(+), 24 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 35b71ee..1ea72b2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-10-03  Joel E. Denny  <address@hidden>
+
+       Remove dead code.
+       * src/symtab.c (symbol_pack): Here because every symbol's number
+       is always defined by this time.
+
 2009-10-03  Alex Rozenman  <address@hidden>
 
        Add additional space after periods in NEWS.
diff --git a/src/symtab.c b/src/symtab.c
index cac9f80..0a3c447 100644
--- a/src/symtab.c
+++ b/src/symtab.c
@@ -549,31 +549,11 @@ symbol_check_alias_consistency_processor (void *this,
 static inline bool
 symbol_pack (symbol *this)
 {
+  aver (this->number != NUMBER_UNDEFINED);
   if (this->class == nterm_sym)
-    {
-      this->number += ntokens;
-    }
-  else if (this->alias)
-    {
-      /* This symbol and its alias are a single token defn.
-        Allocate a tokno, and assign to both check agreement of
-        prec and assoc fields and make both the same */
-      if (this->number == NUMBER_UNDEFINED)
-       {
-         if (this == endtoken || this->alias == endtoken)
-           this->number = this->alias->number = 0;
-         else
-           {
-             aver (this->alias->number != NUMBER_UNDEFINED);
-             this->number = this->alias->number;
-           }
-       }
-      /* Do not do processing below for USER_NUMBER_HAS_STRING_ALIASes.  */
-      if (this->user_token_number == USER_NUMBER_HAS_STRING_ALIAS)
-       return true;
-    }
-  else /* this->class == token_sym */
-    aver (this->number != NUMBER_UNDEFINED);
+    this->number += ntokens;
+  else if (this->user_token_number == USER_NUMBER_HAS_STRING_ALIAS)
+    return true;
 
   symbols[this->number] = this;
   return true;
-- 
1.5.4.3