Hi, the following trial patch fixed PR 48988 which is a regression. Bootstrap and tested on x86/linux. Verified the reported failure is fixed.
Ok for trunk?
David
2011-05-22 David Li <davi...@google.com>
PR tree-optimization/48988
* tree-ssa-uninit.c (convert_control_dep_chain_into_preds):
Initialize has_valid_pred for each pred chain.
u.p
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