re PR bootstrap/45686 (Building rev. 164285 fails with --enable-checking=all)

	PR bootstrap/45686
	* fold-const.c (fold_checksum_tree): Change slot from const void **
	to void **, use CONST_CAST_TREE to store into *slot.

From-SVN: r164330

gcc/ChangeLog

+2010-09-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/45686
+	* fold-const.c (fold_checksum_tree): Change slot from const void **
+	to void **, use CONST_CAST_TREE to store into *slot.
+
 2010-09-16  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.md: Remove unneeded empty conditions and

gcc/fold-const.c

@@ -13648,7 +13648,7 @@ fold_check_failed (const_tree expr ATTRIBUTE_UNUSED, const_tree ret ATTRIBUTE_UN
 static void
 fold_checksum_tree (const_tree expr, struct md5_ctx *ctx, htab_t ht)
 {
-  const void **slot;
+  void **slot;
   enum tree_code code;
   union tree_node buf;
   int i, len;
@@ -13660,10 +13660,10 @@ recursive_label:
 	      && sizeof (struct tree_type) <= sizeof (struct tree_function_decl));
   if (expr == NULL)
     return;
-  slot = (const void **) htab_find_slot (ht, expr, INSERT);
+  slot = (void **) htab_find_slot (ht, expr, INSERT);
   if (*slot != NULL)
     return;
-  *slot = expr;
+  *slot = CONST_CAST_TREE (expr);
   code = TREE_CODE (expr);
   if (TREE_CODE_CLASS (code) == tcc_declaration
       && DECL_ASSEMBLER_NAME_SET_P (expr))