diff -r 1fd08b889aa3 -r e0ef539e23d9 patches/gcc/4.0.0/140-pr21173-fix.patch
--- a/patches/gcc/4.0.0/140-pr21173-fix.patch	Wed Oct 21 18:08:31 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,66 +0,0 @@
-See http://gcc.gnu.org/PR21173
-This is a fix for a last minute brown-bag bug with gcc-4.0.0
-
- ------- Additional Comment #24 From CVS Commits 2005-04-25 14:03 [reply] ------- 
-Subject: Bug 21173
-
-CVSROOT:        /cvs/gcc
-Module name:    gcc
-Branch:         gcc-4_0-branch
-Changes by:     dberlin@gcc.gnu.org     2005-04-25 14:02:38
-
-Modified files:
-        gcc            : ChangeLog tree-ssa-pre.c 
-
-Log message:
-        2005-04-25  Daniel Berlin  <dberlin@dberlin.org>
-        
-        Fix PR tree-optimization/21173
-        
-        * tree-ssa-pre.c (create_expression_by_pieces): Call unshare_expr
-        on things we pass to force_gimple_operand.  Don't try to special
-        case min_invariants.
-
-Patches:
-http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.192&r2=2.7592.2.193
-http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-pre.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.65.4.2&r2=2.65.4.3
-
-===================================================================
-RCS file: /cvs/gcc/gcc/gcc/tree-ssa-pre.c,v
-retrieving revision 2.65.4.2
-retrieving revision 2.65.4.3
-diff -u -r2.65.4.2 -r2.65.4.3
---- gcc/gcc/tree-ssa-pre.c	2005/04/17 23:40:31	2.65.4.2
-+++ gcc/gcc/tree-ssa-pre.c	2005/04/25 14:02:31	2.65.4.3
-@@ -1330,7 +1330,8 @@
- 	
- 	folded = fold (build (TREE_CODE (expr), TREE_TYPE (expr), 
- 			      genop1, genop2));
--	newexpr = force_gimple_operand (folded, &forced_stmts, false, NULL);
-+	newexpr = force_gimple_operand (unshare_expr (folded), 
-+					&forced_stmts, false, NULL);
- 	if (forced_stmts)
- 	  {
- 	    tsi = tsi_start (forced_stmts);
-@@ -1372,14 +1373,8 @@
- 	add_referenced_tmp_var (temp);
- 	folded = fold (build (TREE_CODE (expr), TREE_TYPE (expr), 
- 			      genop1));
--	/* If the generated operand  is already GIMPLE min_invariant
--	   just use it instead of calling force_gimple_operand on it,
--	   since that may make it not invariant by copying it into an
--	   assignment.  */
--	if (!is_gimple_min_invariant (genop1))
--	  newexpr = force_gimple_operand (folded, &forced_stmts, false, NULL);
--	else
--	  newexpr = genop1;
-+	newexpr = force_gimple_operand (unshare_expr (folded), 
-+					&forced_stmts, false, NULL);
- 	if (forced_stmts)
- 	  {
- 	    tsi = tsi_start (forced_stmts);
-
-    0K .                                                         1.24 MB/s
-
-13:16:54 (1.24 MB/s) - `-' saved [1303]
-