From: Andrew Pinski <pinskia@physics.uc.edu>
Date: Thu, 18 Aug 2005 05:01:43 +0000 (+0000)
Subject: re PR middle-end/16045 (ICE fold check: original tree changed by fold)
X-Git-Tag: misc/cutover-cvs2svn~1107
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=75634129185af1ffcc0d88f5032b90b26559674a;p=thirdparty%2Fgcc.git

re PR middle-end/16045 (ICE fold check: original tree changed by fold)

2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/16045
        * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.

From-SVN: r103243
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9de3adb203d4..c338e8eeac9f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR middle-end/16045
+	* builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
+
 2005-08-17  James E Wilson  <wilson@specifix.com>
 
 	* c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
diff --git a/gcc/builtins.c b/gcc/builtins.c
index 13d80ed53dcf..d02b1c3a00eb 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -8910,9 +8910,7 @@ fold_builtin (tree fndecl, tree arglist, bool ignore)
   tree exp = fold_builtin_1 (fndecl, arglist, ignore);
   if (exp)
     {
-      /* ??? Don't clobber shared nodes such as integer_zero_node.  */
-      if (CONSTANT_CLASS_P (exp))
-	exp = build1 (NOP_EXPR, TREE_TYPE (exp), exp);
+      exp = build1 (NOP_EXPR, TREE_TYPE (exp), exp);
       TREE_NO_WARNING (exp) = 1;
     }