[Bug middle-end/23666] Fold does not reduce C - ~a into a + (C+1)

[falk at debian dot org]

------- Additional Comments From falk at debian dot org  2005-09-01 06:19 
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Works for me on alphaev68-unknown-linux-gnu
 tiw with 4.1.0 20050819.

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23666