[PATCH][TUPLES] One more rs6000 stdarg unsharing fix

    And another one...

David

* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Unshare t.

Index: rs6000.c
===================================================================
--- rs6000.c (revision 137436)
+++ rs6000.c (working copy)
@@ -6930,7 +6930,7 @@
&& TYPE_MODE (type) == SDmode)
t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (t), t, size_int (size));

- t = build2 (GIMPLE_MODIFY_STMT, void_type_node, addr, t);
+ t = build2 (GIMPLE_MODIFY_STMT, void_type_node, addr, unshare_expr (t));
gimplify_and_add (t, pre_p);

t = build1 (GOTO_EXPR, void_type_node, lab_over);