diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a70aceba4f2d..70fa6286465d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2010-03-01  Richard Guenther  <rguenther@suse.de>
+	Martin Jambor  <mjambor@suse.cz>
+
+	PR middle-end/41250
+	* gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
+	gimplified parameters.
+
 2010-03-01  Christian Bruel  <christian.bruel@st.com>
 
 	* except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
diff --git a/gcc/gimplify.c b/gcc/gimplify.c
index 183874790be8..f87b5b57553b 100644
--- a/gcc/gimplify.c
+++ b/gcc/gimplify.c
@@ -7535,11 +7535,21 @@ gimplify_body (tree *body_p, tree fndecl, bool do_parms)
   *body_p = NULL_TREE;
 
   /* If we had callee-copies statements, insert them at the beginning
-     of the function.  */
+     of the function and clear DECL_VALUE_EXPR_P on the parameters.  */
   if (!gimple_seq_empty_p (parm_stmts))
     {
+      tree parm;
+
       gimplify_seq_add_seq (&parm_stmts, gimple_bind_body (outer_bind));
       gimple_bind_set_body (outer_bind, parm_stmts);
+
+      for (parm = DECL_ARGUMENTS (current_function_decl);
+	   parm; parm = TREE_CHAIN (parm))
+	if (DECL_HAS_VALUE_EXPR_P (parm))
+	  {
+	    DECL_HAS_VALUE_EXPR_P (parm) = 0;
+	    DECL_IGNORED_P (parm) = 0;
+	  }
     }
 
   if (nonlocal_vlas)