> 2011-03-08  Xinliang David Li  <davi...@google.com>
>
>       PR c/47837
>       * tree-ssa-uninit.c (pred_chain_length_cmp): New function.
>       (normalize_preds): New function.
>       (is_use_properly_guarded): Normalize def predicates.

This broke the Ada compiler on some platforms, see PR tree-opt/48988.

-- 
Eric Botcazou

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