From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 4 Dec 2008 09:33:27 +0000 (+0100)
Subject: re PR middle-end/38371 (Fold check error during bootstrap)
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5cf9684138627fae7433f862e80aaf0ddc8e2425;p=platform%2Fupstream%2Fgcc.git

re PR middle-end/38371 (Fold check error during bootstrap)

	PR middle-end/38371
	* fold-const.c (fold_checksum_tree): Allow modification of
	TYPE_NEXT_VARIANT.

From-SVN: r142430
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 29104d8..a8aba92 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2008-12-04  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/38371
+	* fold-const.c (fold_checksum_tree): Allow modification of
+	TYPE_NEXT_VARIANT.
+
 2008-12-03  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/38360
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 93415d8..41779e5 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -13364,9 +13364,11 @@ recursive_label:
       expr = (tree) &buf;
     }
   else if (TREE_CODE_CLASS (code) == tcc_type
-	   && (TYPE_POINTER_TO (expr) || TYPE_REFERENCE_TO (expr)
+	   && (TYPE_POINTER_TO (expr)
+	       || TYPE_REFERENCE_TO (expr)
 	       || TYPE_CACHED_VALUES_P (expr)
-	       || TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr)))
+	       || TYPE_CONTAINS_PLACEHOLDER_INTERNAL (expr)
+	       || TYPE_NEXT_VARIANT (expr)))
     {
       /* Allow these fields to be modified.  */
       tree tmp;
@@ -13375,6 +13377,7 @@ recursive_label:
       TYPE_CONTAINS_PLACEHOLDER_INTERNAL (tmp) = 0;
       TYPE_POINTER_TO (tmp) = NULL;
       TYPE_REFERENCE_TO (tmp) = NULL;
+      TYPE_NEXT_VARIANT (tmp) = NULL;
       if (TYPE_CACHED_VALUES_P (tmp))
 	{
 	  TYPE_CACHED_VALUES_P (tmp) = 0;