Roman Catholics proclaim a curse (anathema) on anyone who affirms the loss of free will after the fall in the decrees of the (Roman Catholic) Council of Trent: Canons on Justification. it declares:
"If any one should affirm that since the fall of Adam man's free will is lost, let him be accursed."
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By doing so, from all appearances, they are anathematizing their own doctor of the church, St. Augustine for he said precisely this:
"Man when he was created received great powers of free will, but lost them by sinning." - Confessions
Can they do anything by the free determination of their own will? Again I say, God forbid. For it was by the evil use of his free-will that man destroyed both it and himself. For, as a man who kills himself must, of course, be alive when he kills himself, but after he has killed himself ceases to live, and cannot restore himself to life; so, when man by his own free-will sinned, then sin being victorious over him, the freedom of his will was lost.
Augustine, Enchiridion 30
"Without the Spirit man's will is not free, since it has been laid under by shackling and conquering desires." - Augustine, Letters cxlv 2 (MPL 33. 593; tr FC 20. 163f.)
"When the will was conquered by the vice into which it had fallen, human nature began to lose its freedom." - Augustine, On Man's Perfection in Righteousness iv 9 (MLP 44. 296; tr. NPNF V. 161)
"Through freedom man came to be in sin, but the corruption which followed as punishment turned freedom into necessity." - Augustine On Man's Perfection In Righteousness