re PR tree-optimization/29122 (ICE with -ipa-cp and -m64 (tail calls))

2006-11-26  Razya Ladklesky  <razya@il.ibm.com>

        PR tree-optimization/29122
        * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
        for the new version.  Assign NULL to DECL_RTL of the new version.

From-SVN: r119220

gcc/ChangeLog

+2006-11-26  Razya Ladklesky  <razya@il.ibm.com>
+	
+	PR tree-optimization/29122
+	* tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME 
+	for the new version.  Assign NULL to DECL_RTL of the new version. 
+
 2006-11-25  Uros Bizjak  <ubizjak@gmail.com>
 
 	* reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.

gcc/tree-inline.c

@@ -2791,14 +2791,10 @@ tree_function_versioning (tree old_decl, tree new_decl, varray_type tree_map,
 
   /* Generate a new name for the new version. */
   if (!update_clones)
-    DECL_NAME (new_decl) = create_tmp_var_name (NULL);
-  /* Create a new SYMBOL_REF rtx for the new name. */
-  if (DECL_RTL (old_decl) != NULL)
     {
-      SET_DECL_RTL (new_decl, copy_rtx (DECL_RTL (old_decl)));
-      XEXP (DECL_RTL (new_decl), 0) =
-	gen_rtx_SYMBOL_REF (GET_MODE (XEXP (DECL_RTL (old_decl), 0)),
-			    IDENTIFIER_POINTER (DECL_NAME (new_decl)));
+      DECL_NAME (new_decl) =  create_tmp_var_name (NULL);
+      SET_DECL_ASSEMBLER_NAME (new_decl, DECL_NAME (new_decl));
+      SET_DECL_RTL (new_decl, NULL_RTX);
     }
 
   /* Prepare the data structures for the tree copy.  */