merge from gcc

libiberty/ChangeLog

@@ -1,3 +1,11 @@
+2003-12-03  Jan Hubicka  <jh@suse.cz>
+
+	* hashtab.c (htab_expand): Fix warning.
+
+	* hashtab.c (htab_expand): Compute the size of hashtable based
+	on the number of elements actually used.
+	(htab_traverse):  Call htab_expand when table is too empty.
+
 2003-12-03  Jan Hubicka  <jh@suse.cz>
 
 	* hashtab.c (htab_expand): Compute the size of hashtable based

libiberty/hashtab.c

@@ -376,8 +376,8 @@ htab_expand (htab)
   /* Resize only when table after removal of unused elements is either
      too full or too empty.  */
   if ((htab->n_elements - htab->n_deleted) * 2 > htab->size
-      || (htab->n_elements - htab->n_deleted) * 8 < htab->size
-    && htab->size > 32)
+      || ((htab->n_elements - htab->n_deleted) * 8 < htab->size
+	  && htab->size > 32))
     nsize = higher_prime_number ((htab->n_elements - htab->n_deleted) * 2);
   else
     nsize = htab->size;