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2012/1/8 Kai Tietz <ktiet...@googlemail.com>:
> Hi,
>
> this patch makes sure that for increment of
> postfix-increment/decrement we use also orignal lvalue instead of tmp
> lhs value for increment. This fixes reported issue about sequence
> point in PR/48814
>
> ChangeLog
>
> 2012-01-08 Kai Tietz <kti...@redhat.com>
>
> PR middle-end/48814
> * gimplify.c (gimplify_self_mod_expr): Use for
> postfix-inc/dec lvalue instead of temporary
> lhs.
>
> Regression tested for x86_64-unknown-linux-gnu for all languages
> (including Ada and Obj-C++). Ok for apply?
>
> Regards,
> Kai
>
> Index: gimplify.c
> ===================================================================
> --- gimplify.c (revision 182720)
> +++ gimplify.c (working copy)
> @@ -2258,7 +2258,7 @@
> arith_code = POINTER_PLUS_EXPR;
> }
>
> - t1 = build2 (arith_code, TREE_TYPE (*expr_p), lhs, rhs);
> + t1 = build2 (arith_code, TREE_TYPE (*expr_p), lvalue, rhs);
>
> if (postfix)
> {
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